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__NOTOC__
 
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Welcome to the '''Geohashing Wiki'''.  Geohashing was brought to you by the [[xkcd]] webcomic. Read this information in [[Image:Flag of Germany.png|15px]] [[Hauptseite|Deutsch]] - [[Image:Flag of Spain.png|15px]] [[Image:Flag of Mexico.png|15px]] [[Image:Flag of Chile.png|15px]] [[Página Principal|Español]] - [[Image:Flag_of_France.png|15px]] [[Page d Accueil|Français]] - [[Image:800px-Flag of Sweden.png|15px]] [[Huvudsida|Svenska]] - [[Geo Hashing:Community Portal#Translation|and maybe other languages]].{{QUOTER}}<br clear=all>
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= The Adventure Starts Here =
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'''[[Geohashing]] is a game of spontaneous adventure generation played around the world since 2008.''' You will explore random locations, meet fellow geohashers, brave the elements, unlock [[Achievements|achievements]], and then come back here to '''[[expedition|document your expedition]]'''.
  
== What is this? ==
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Read a recent copy of this page in [[Image:Flag of Catalonia.png|15px]] [[Pàgina Principal|Català]] - [[Image:Flag of Germany.png|15px]] [[Hauptseite|Deutsch]] - [[Image:Flag of Spain.png|15px]] [[Image:Flag of Mexico.png|15px]] [[Image:Flag of Chile.png|15px]] [[Página Principal|Español]] - [[Image:Flag_of_France.png|15px]] [[Accueil|Français]] - [[Image:Flag of Italy.png|15px]] [[Pagina Principale|Italiano]] - [[File:Flag of Poland.png|15px]] [[Strona główna|Polski]] - [[Image:800px-Flag of Sweden.png|15px]] [[Huvudsida|Svenska]] - [[Geohashing:Community Portal#Translation|and maybe other languages]].{{QUOTER}}
[[Image:Coordinates.png|thumb|400px|[[The Algorithm]] as shown in [[xkcd]] [http://www.xkcd.com/426/ comic #426], published on 21 May 2008.]]
 
  
[[Geohashing]] is an adventure, comprising journeys to random places within a given area. Every day, effectively [http://carabiner.peeron.com/xkcd/map/map.html random locations] are generated by an [[algorithm]] that achieves randomness using stock market data. It is a ''Spontaneous Adventure Generator''. A set of coordinates is generated for each 1°×1° latitude/longitude zone (known as a [[graticule]]) in the world.  The coordinates can lie anywhere in the graticule — in the forest, in a city, on a mountain, or even [[Water Geohash | in the middle of a lake]]! Everyone in a given region gets the same set of coordinates relative to their graticule.
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[[Image:Coordinates.png|thumb|400px|[[The Algorithm]] was invented for [[xkcd]] [http://www.xkcd.com/426/ comic #426], published on 21 May 2008.]]
  
The generated coordinates are used as destinations for adventures, ''à la'' [[wikipedia:Geocaching|Geocaching]], or for local meetups. After the fun, please '''[[expedition|document your expedition]]'''! The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your [[Achievements#Consolation_Prizes | failure]]). You can use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.<br clear="all">
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== How to play? ==
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# '''[[Special:UserLogin|Create or log in to an account]]''' ('''returning after a break?''' all accounts created before 2020-02-02 [[Dark Ages|were deleted]]; you'll need to sign up again)
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# Use a '''[[Geohashing:Coordinate_calculators|coordinate calculator]]''' to give you a pair of GPS coordinates
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# Go there (or as close as you can safely/legally get)
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# Write about '''[[expedition|your expedition]]'''!
 +
 
 +
Need more? Keep reading for full instructions, FAQs, history, other people's expeditions...
 +
 
 +
== How does Geohashing work? ==
 +
 
 +
Every day, effectively [http://carabiner.peeron.com/xkcd/map/map.html random locations] are generated by an [[algorithm]] that derives randomness from stock market data. A set of coordinates is generated for every 1°×1° latitude/longitude zone in the world, or ''[[graticule]]''. The coordinates might be in a field, a forest, a city, up a mountain, or [[Water Geohash|out at sea]]! Everyone in a quadrant of the globe gets the same set of coordinates relative to their graticule.
 +
 
 +
The generated coordinates are used as destinations for adventures, ''à la'' [[wikipedia:Geocaching|Geocaching]], or for local meetups. After the fun, please '''[[expedition|document your expedition]]''': The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your [[Achievements#Consolation_Prizes | failure]])! Join the other 'spot spotters', be out standing in your field and use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.
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The daily coordinates are repeated for each degree all round the planet, but there is also a single [[globalhash]], rare, valued and much harder to reach.
  
 
{{Getting started}}
 
{{Getting started}}
 
<br clear=all>
 
  
 
{{New on the wiki}}
 
{{New on the wiki}}
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== Official xkcd meetups ==
 
== Official xkcd meetups ==
 
{{:Saturday meetup}}
 
{{:Saturday meetup}}
 
  
 
== Recent and Upcoming Coordinates ==
 
== Recent and Upcoming Coordinates ==
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'''[{{fullurl:{{FULLPAGENAME}}|action=purge}} If your newly added expedition does not show, click here to refresh the cache]'''
 
'''[{{fullurl:{{FULLPAGENAME}}|action=purge}} If your newly added expedition does not show, click here to refresh the cache]'''
  
'''[[Geo Hashing:Current events|Click here to see an automatic list of all recent expeditions, whether pictures were posted or not.]]'''
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'''[[Geohashing:Current events|Click here to see an automatic list of all recent expeditions, whether pictures were posted or not.]]'''
  
 
<!-- AUTOMATED BY User:relet.  Direct comments/questions/complaints about the automation process or the new gallery format to his user talk, or visit [[Template:Recent Images2]] -->
 
<!-- AUTOMATED BY User:relet.  Direct comments/questions/complaints about the automation process or the new gallery format to his user talk, or visit [[Template:Recent Images2]] -->
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==Recent non-expeditions==
 
==Recent non-expeditions==
 
This section documents hash expeditions that geohashers ''wish'' they could make, but have not been able to for the reasons stated.
 
This section documents hash expeditions that geohashers ''wish'' they could make, but have not been able to for the reasons stated.
===2014===
 
*[[2014-12-22 33 130]] Near the top of a mountain about 500m west of the [http://www.pacificgolf.co.jp/daihakata/ Daihakata Country Club] in Chikushi district, Fukuoka Prefecture, Kyushu, Japan. But, you would be ''over the tunnel'' for the Kyushu [http://en.wikipedia.org/wiki/Shinkansen Shinkansen] (Bullet Train).[[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 20:04, 21 December 2014 (EST)
 
*[[2014-11-26 global]] In a [http://goo.gl/maps/x54Zt farmer's field], about 10km south of Tal Abyad (Arabic: تل أبيض‎ Tal Abyaḍ; Kurdish: Girê Sipî), a Syrian town located along the Balikh River within the Ar-Raqqah Governorate, and a further 2km from Akçakale in Turkey. Apart from the farmers, this might be a troubled place to be. [[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 17:01, 25 November 2014 (EST)
 
*[[2014-09-23 global]] In the coastal national park/forest about 15km north-east of Bintulu, in Sarawak, East Malaysia. It's only several hundred metres from the palm oil plantation roads. Bintulu has the largest single gas manufacturing complex in the world, with a significant 'expatriate' population, so there are potentially many nerdy geohashers.[[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 21:42, 22 September 2014 (EDT)
 
*[[2014-08-29 31 35]] Drive or walk along the mostly deserted (no buildings) [https://maps.google.com/?q=loc:31.764150138609057,35.181923394624576&ll=31.764133,35.181924&spn=0.000009,0.005397&t=h&z=18&layer=c&cbll=31.76404,35.181921&panoid=eMPaWr4CT0j0Sj0GfBurvg&cbp=12,348.89,,0,37.13 Kadish Luz Street], West Jerusalem. The hash is beside a pipe access cover. [[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 23:49, 28 August 2014 (EDT)
 
*[[2014-08-29 global]] An easy walk from a road in the western United States.  Unfortunately, it's in Montana, and I have commitments in California, so I couldn't make it there in time for midnight even if I had a car at hand. [[User:Codae|Codae]] ([[User talk:Codae|talk]])
 
*[[2014-08-27 28 77]] In the outskirts of [[Delhi, India]], at the [https://maps.google.com/?ie=UTF8&ll=3.4336937424125206,101.16771098954005&z=6&q=loc:3.4336937424125206,101.16771098954005 rear of an upmarket country estate house] in the Dera Mandi district. I'd love to knock on that door./gate.[[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 00:16, 27 August 2014 (EDT)
 
*[[2014-04-30 49 -2]] This was [https://maps.google.com/maps?q=loc:(49.42017599,-2.36908827) pretty much on the beach, on the island of Sark]! It's unusual enough for the Channel Islands to be hit at all, but a beach (or small boat) hash on Sark is something else. Wish I could have been there. [[User:Macronencer|Macronencer]] ([[User talk:Macronencer|talk]]) 08:10, 2 May 2014 (EDT)
 
*[[2014-02-18 52 4]] THE place to waste your time [https://maps.google.com/maps?q=loc:(52.959333,4.778435)] On the dock of the bay no less. But, the restricted part of the naval base. [[User:JwB|JwB]] ([[User talk:JwB|talk]])09:52, 18 February 2014 (CET)
 
* [[2014-01-30]] Global Hash [http://maps.google.com/maps?q=loc:(28.374485,126.663613)] 28N 126E South China Sea, north-west of Okinawa. I have a friend sailing through this area at the moment, about 240km South East so perhaps two days sail from this GH. However, there is no chance of 'diverting' him ''today''. Hence, no chance of various achievements (he is capable of navigating by compass AND sextant, has a cat onboard the yacht to pat, etc.) A pity! [[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 17:30, 29 January 2014 (EST)
 
* [[2014-01-11 -34 149]] [http://goo.gl/maps/pS6Jg] ON the south-bound track of a bendy bit of the [[Melbourne, Australia]] to [[Sydney, Australia]] main train line, near Gunning, New South Wales (west of / in the graticule of [[Goulburn, Australia]]) -- SOMEONE must be on a train! [[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]]) 18:09, 10 January 2014 (EST)
 
  
===2013===
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[[Recent_non-expeditions#2013|2013]] - [[Recent_non-expeditions#2014|2014]] - [[Recent_non-expeditions#2015|2015]] - [[Recent_non-expeditions#2017|2017]] - [[Recent_non-expeditions#2020|2020]]
* [[2013-12-03 39 -84]] [https://maps.google.com/maps?f=q&hl=en&q=loc:39.1033839,+-84.4145787+(Geohashing+for+3+Dec+2013+in+39,-84)&ie=UTF8&t=h Cincinnati, OH]. Smack on the tarmac of Lunken Airport. Almost epic enough to justify the police record. [[User:Humbucker|Humbucker]] ([[User talk:Humbucker|talk]]) 14:15, 3 December 2013 (EST)
 
* [[2013-11-27 global]] [https://maps.google.com/maps?q=loc:(48.871876,98.259569) globalhash, Mongolia] is about 1km off a dirt road around 10km north of [http://en.wikipedia.org/wiki/Tosontsengel,_Zavkhan Tosontsengel, Mongolia] and it has an [http://skyvector.com/airport/ZMTL/Tosontsengel-Airport airport].[[User:1PE|1PE (Canberra)]] ([[User talk:1PE|talk]])
 
* [[2013-10-25 global]] [https://maps.google.com/maps?q=loc:(42.29243569,-6.47057902) GlobalHash in Spain], 48 km from Ponferrada, 113 km from León, 210 km from Salamanca, 366 km from Madrid --[[User:LeslieHapablap|LeslieHapablap]] ([[User talk:LeslieHapablap|talk]]) 09:57, 24 October 2013 (EDT)
 
* [[2013-07-12 41 -6]] ([https://maps.google.com/maps?q=loc:(41.183617,-6.973834) GlobalHash]) by [[User:1PE|1PE]] - northern Portugal, just off the N220 east of the village of Carvalhal, itself east of Torre de Moncorvo. Even do-able from Spain: Salamanca or Zamora.
 
* [[2013-07-04 34 35]] by [[User:1PE|1PE]] - Syria! Near a major road intersection, in an olive grove.
 
* [[2013-03-28_39_-76]] by [[User:OfficeLinebacker|OfficeLinebacker]] - In some woods near a river near Conowingo, MD. Already went to two today, don't feel like driving another 4 hours.  Looks nice and very reachable, though.
 
* [[2013-03-20 33 72]] (GlobalHash) by [[User:1PE|1PE]] - Western side of the Indus River valley, about 25km south of Nowshera, Pakistan; only 60km from Pashawar.
 
* [[2013-03-15 -34 149]] by [[User:1PE|1PE]] - very near an interesting Google Maps feature, an aircraft pictured in flight but I couldn't justify going 70km each way to the hash.
 
  
===Previous===
 
 
<!--- Please... Add other heroic non-expeditions anywhere that is appropriate.--->
 
<!--- Please... Add other heroic non-expeditions anywhere that is appropriate.--->
  
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###### !!! POSTED !!! NO TRESPASSING !!! ##################################
 
###### !!! POSTED !!! NO TRESPASSING !!! ##################################
 
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Revision as of 10:10, 5 March 2020

The Adventure Starts Here

Geohashing is a game of spontaneous adventure generation played around the world since 2008. You will explore random locations, meet fellow geohashers, brave the elements, unlock achievements, and then come back here to document your expedition.

Read a recent copy of this page in Flag of Catalonia.png Català - Flag of Germany.png Deutsch - Flag of Spain.png Flag of Mexico.png Flag of Chile.png Español - Flag of France.png Français - Flag of Italy.png Italiano - Flag of Poland.png Polski - 800px-Flag of Sweden.png Svenska - and maybe other languages.

It had never occurred to me that the first 141km would be easier than those last 50 meters. First of all, there is a distinct lack of landmarks in the middle of the water (and only now, as I type that sentence, does the sheer irony hit me. I guess there's a reason they're called landmarks).
find some more great geohashing quotations here.
The Algorithm was invented for xkcd comic #426, published on 21 May 2008.

How to play?

  1. Create or log in to an account (returning after a break? all accounts created before 2020-02-02 were deleted; you'll need to sign up again)
  2. Use a coordinate calculator to give you a pair of GPS coordinates
  3. Go there (or as close as you can safely/legally get)
  4. Write about your expedition!

Need more? Keep reading for full instructions, FAQs, history, other people's expeditions...

How does Geohashing work?

Every day, effectively random locations are generated by an algorithm that derives randomness from stock market data. A set of coordinates is generated for every 1°×1° latitude/longitude zone in the world, or graticule. The coordinates might be in a field, a forest, a city, up a mountain, or out at sea! Everyone in a quadrant of the globe gets the same set of coordinates relative to their graticule.

The generated coordinates are used as destinations for adventures, à la Geocaching, or for local meetups. After the fun, please document your expedition: The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your failure)! Join the other 'spot spotters', be out standing in your field and use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.

The daily coordinates are repeated for each degree all round the planet, but there is also a single globalhash, rare, valued and much harder to reach.

Learn more

How to geohash:

Other people's expeditions:

Get involved


news archiveEdit What's new on the wiki?

  • There's a stripped-down expedition template for frequent expeditioners: Use {{subst:Expedition2}}
  • There's a new map for exploring past expeditions and today's geohash: geohashing.win
  • We have now reached 15000 expeditions!
  • The PHP version underlying the wiki engine software has been updated. Let DanQ know if you spot any new (or old) bugs.
  • Happy first anniversary of the wiki's revival, if you count the 'birthday' as the date of the first user account creation plus the announcement on IRC!
  • The subdivision geohash is an achievement now.
  • SIGSTKFLT is doing a slow rollout of Ribbon2. Add a comment if you see any problems.
  • It's now possible to upload and embed GPX tracklogs of your expeditions.

More pages needing discussionDiscussion archiveEdit Now discussing - please join in: 

  • Renaming Proposal to discuss renaming Virgin Graticules, the MNIMB achievement and MNB consolation prize. This discussion has a deadline of 2024-03-18 and any supportive or opposing comments are greatly appreciated.
  • Future/fixes on the wiki - now we're out of the Dark Ages we can add new features to the wiki: what would improve it?
  • A proposal to identify users who are willing to be advocates/mentors for geohashing.
  • Join our discussions:


Official xkcd meetups

Felix Dance, Mdixon4, Rhonda, Lachie and Stevage meet up at the 28 December 2015 (a Monday) coordinates for Bairnsdale, VIC, Australia.

Based on the title text from the comic that established geohashing, the "official" meetup day was interpreted as being Saturday; that is, the day one would have the best chance of meeting others -- see also Mouseover Day. Additionally it was decided through convention that a good meeting time would be 16:00 local time (4:00 P.M.)¹

However, neither of these are hard rules, and they were formulated at a very different early stage in the sport's history. Nowadays and for quite awhile actually, any date or time can be good (or bad, depending on how many other hashers are near you) for meeting up, especially if prearranged. Note that this only applies to that day’s normal local geohash or globalhash coordinates, if you try to go to an alternate location without telling anyone else, it's highly unlikely you'd meet up with a hasher there (obviously).

¹Or earlier if that would be too close to sunset during the winter, or other quirks of temporal tradition; see your local graticule page for consensus there.

Recent and Upcoming Coordinates

The coordinates for the next Saturday meetups, scheduled for 30 March 2024, will be based on the Dow’s opening price published at 09:30 EDT (13:30 UTC) on Thursday 28 March. See timeanddate.com to convert this time to your local time zone.

Disclaimer: When any coordinates generated by the Geohashing algorithm fall within a dangerous area, are inaccessible, or would require illegal trespass, DO NOT attempt to reach them. Please research each potential location before attempting to access it. You are expected to use proper judgment in all cases and are solely responsible for your own actions. See more guidelines.

Gallery of Recent Expeditions

The gallery for each day is added to this page automatically, but pictures are selected to the gallery by us. Any geohasher is welcome to add a picture from that day. Just add your image name in the list at the “add yours” link. If the gallery hasn't been started yet, copy the format from the previous day, or read the how-to. Please also write an account of your expedition, even if only a short one, so that people can click the link on your picture and find out more.

Click here to learn how to add your own expedition pictures.

If your newly added expedition does not show, click here to refresh the cache

Click here to see an automatic list of all recent expeditions, whether pictures were posted or not.

Recent Expeditions


Recent non-expeditions

This section documents hash expeditions that geohashers wish they could make, but have not been able to for the reasons stated.

2013 - 2014 - 2015 - 2017 - 2020