Grand Canyon National Park
 Part of United States mapping project.
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V・T・E Grand Canyon National Park, Arizona, United States  |
| latitude: 36.3099, longitude: -112.7835 |
| Browse map of the Grand Canyon National Park 36°18′35.64″ N, 112°47′00.60″ W |
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Grand Canyon National Park is a national park in Arizona, United States at latitude 36°18′35.64″ North, longitude 112°47′00.60″ West.
Boundary
183377
183377
Roads and Tracks
Apart from the AZ 64 and many of the roads of the Grand Canyon Village, almost all of the forest service roads and other tracks have been unreviewed since the Tiger import in 2007. Many of the tracks are either mapped incorrectly or don't exist at all. A lot of work to be done here.
Sources of data include
- Kaibab National Forest quad maps
- Tiger 2012 and satellite imagery
- Ground surveys of tracks that are open to the public.
Trails
The aim of this project is to map all of the official hiking trails listed in the Wikipedia entry.
Within the Grand Canyon, OSM data is already, I think, superior to other online maps in coverage and accuracy (Google is particularly poor here). There are a number of ways we can enhance the usefulness of OSM to mappers and hikers in the future;
- Much greater use of trail_visibility=* and tracktype=* (or surface=*) tags on ways
- Using sac_scale=*, incline=* tags on ways, and ascent=*, descent=* on relations to indicate relative difficulties of the trails.
- Upgrading the official trails to relations (nearly complete, see below)
Ways
Trails within the canyon itself are closed to bicyles and motorbikes, so the ways representing trails should be tagged;
highway=path should be preferred over highway=footway.
See Hiking for possible tagging of hiking trails.
Relations
Ultimately we're aiming to represent all the trails as a set of relations. Currently the following tag schema is used for these relations;
- name=* (the full name of the trail)
- ref=* (a 3 to 5 letter short version of the name)
- network=lwn
- operator=United States National Park Service
- route=hiking
- type=route
Optional tags can be added for wikipedia or other web entries. See Walking Routes for further ideas on how to tag hiking relations.
Corridor Trails
| Trail | Way/Relation | Notes |
|---|---|---|
| Bright Angel Trail | 2836803 2836803 |
Complete |
| North Kaibab Trail | 2836789 2836789 |
Complete |
| Plateau Point Trail | 2837423 2837423 |
Complete |
| River Trail | 2836804 2836804 |
Complete |
| South Kaibab Trail | 2836796 2836796 |
Complete |
Threshold trails
| Trail | Way/Relation | Notes |
|---|---|---|
| Clear Creek Trail | 2837455 2837455 |
Complete |
| Dripping Springs Trail | 2836830 2836830 |
Complete |
| Grandview Trail | 2837621 2837621 |
Complete |
| Hermit Trail | 2836831 2836831 |
Complete |
| Thunder River Trail | 2841711 2841711 |
Complete |
| Waldron Trail | 2836832 2836832 |
Complete |
Primitive Trails
| Trail | Way/Relation | Notes |
|---|---|---|
| Beamer Trail | 2836774 2836774 |
Complete |
| Bill Hall Trail | 2841710 2841710 |
Complete |
| Boucher Trail | 2836817 2836817 |
Complete |
| Deer Creek Trail | 2856231 2856231 |
Complete |
| Havasu Canyon Route | 8264406 8264406 |
Complete |
| Kanab Creek Trail | ||
| Lava Falls Trail | 2844955 2844955 |
Complete |
| Nankoweap Trail | 2837839 2837839 |
Complete |
| North Bass Trail | 2845631 2845631 |
Complete |
| New Hance Trail (Red Canyon Trail) | 2836717 2836717 |
Complete |
| South Bass Trail | 2838553 2838553 |
Complete |
| South Canyon Trail | 8090992 8090992 |
Complete. No gpx available for upper section from rim trailhead to Bedrock Canyon, traced from USGS maps. |
| Tanner Trail | 2836727 2836727 |
Complete |
| Tonto Trail | 2836546 2836546 |
Complete |
| Tuckup Trail | 8255948 8255948 |
First section to Cave Canyon OK, rest is unclear |
Routes/Wild
| Trail | Way/Relation | Notes |
|---|---|---|
| Escalante Route | 2836726 2836726 |
Complete |
| Esplanade Route | 8098847 8098847
|
Complete - No GPX, USGS map trace only. |
| Royal Arch Route | 2838517 2838517 |
Complete |
Above-rim trails
| Trail | Way/Relation | Notes |
|---|---|---|
| Bright Angel Point Trail | 2845780 2845780 |
Complete |
| Cape Final Trail | 2838401 2838401 |
Complete |
| Cape Royal Trail | 2846327 2846327 |
Complete |
| Cliff Spring Trail | 2846307 2846307 |
Complete |
| Francois Matthes Trail | 8081383 8081383 |
Complete |
| Fire Point Trail | ||
| Ken Patrick Trail | 2845734 2845734 |
Complete |
| Komo Point Trail | 8081347 8081347 |
Complete |
| Point Imperial Trail | 8096218 8096218 |
Complete |
| Rim Trail | 2856431 2856431 |
Complete |
| Tiyo Point Trail | 8194115 8194115 |
Complete |
| Transept Trail | 2845788 2845788 |
Slightly unclear where the northern trailhead is (in the Transept campground), otherwise complete |
| Uncle Jim Trail | 2841723 2841723 |
Complete |
| Walhalla Glades Trail | 8106946 8106946 |
Complete - No GPX, USGS map trace only |
| Walhalla Spur Trail | 8261972 8261972 |
Complete |
| Widforss Trail | 2838417 2838417 |
Complete |
Manmade Features
Water sources, emergency telephones, campgrounds, ranger stations, toilets, parking and trailheads. Also the buildings and facilities in the North Rim, Grand Canyon Village and Desert View.
Natural Features
Mountains, rivers, valleys, waterfalls, springs, minor canyons, rock formations and other points of natural interest.
Creeks
There is currently some discussion in the OSM community about the tagging of dry rivers, but until there's a consensus this project is using the following schema;
Dry creeks, washes, arroyos and other dry stream beds should be tagged;
Though it's a moot point when applied to dry rivers, according to OSM guidelines a river becomes a stream if 'it can be jumped across by an active, able-bodied person', or roughly less than 2 meters in width.
seasonal=no applies to river beds that only flow during rare floods (classed as 'ephemeral' by the USGS). This would apply to the majority of dry creeks in the desert areas of Arizona.
Tiger 2014
The latest Tiger 2014 data has a comprehensive and reasonably accurate set of line data for waterways in Coconino county which can be used as a guide for tracing creeks or imported directly. A few points;
- Some of the data points are very dense - simplify ways with excessive nodes before uploading into OSM
- There is naming information in the Tiger data (the FULLNAME tag), but this is incomplete, uses abbreviations (crk instead of creek) and sometimes incorrect. Check and correct all names against other sources, e.g. the USGS Topographic Maps layer in JOSM
- There are still some errors in the Tiger data - at a minimum all new waterways should be visually checked against Bing imagery before uploading. In particular the direction of water flow is often incorrect.
Wikipedia Integration
To make the map more useful and expose it to a wider audience, any relevant object in the map should be linked to its corresponding Wikipedia article. Just add a wikipedia=* tag to the node, way or relation and reference the relevant wikipedia article - use the URL for the article after the final forward slash. The WIWOSM preferred format is; wikipedia=lang:article
For example, the Bright Angel Trail has a Wikipedia entry with the URL address http://en.wikipedia.org/wiki/Bright_Angel_Trail.
and the relevant tag is;
wikipedia=en:Bright_Angel_Trail