You can find a lot of data at the nps web site: http://nrinfo.nps.gov/Home.mvc
I did a quick check and saw trail map data sets for 3 out of 3 parks: Acadia, Great Smoky and Grand Canyon. I didn't check what format or quality or anything else about them. James On Tuesday, February 15, 2011 07:39:11 pm Tyler Ritchie wrote: > Olympic National Park's trails and roads are mostly there, the > accuracy is somewhere between "spot on" and 20m off. Many of the > trails are difficult to accurately align due to tree cover. > > I've been looking into getting more recent trail, road, and structure > GIS data from the park, but I usually get stalled from some reason. > > -Tyler > > On Tue, Feb 15, 2011 at 4:23 PM, Coast, Hurricane > > <[email protected]> wrote: > > Hi, > > I noticed that there is a bit of work going on with importing Park data. > > I know that's a broad subject, anything from Forest Service Roads to > > GPSed trails from vacations, hydrology imports and as always, fixing > > TIGER data… There's a bunch out there. > > I wanted to get a feel for what, if any, work has been done for National > > Parks in the US. Is there anyone here (or an OSM wiki page perhaps) where > > folks are organizing to get Yosemite, the Grand Canyon and Rocky Mountain > > National Park mapped (to name a few ;))? > > I am also looking to build out a Project of the Week (or Month) to do > > some concentrated effort in this > > direction. http://wiki.openstreetmap.org/wiki/Project_of_the_week/Proposa > > ls#Date_Specific I think it would be super cool to have our National > > Parks so well mapped it is the go-to resource for this summers family > > road trips and outdoor adventures or the closer in hikes in the > > afternoon! > > Any suggestions on where to look for other users interested in this, or > > free and open data import sites, all information will be helpful. > > Thanks and happy mapping, > > Hurricane Coast > > > > _______________________________________________ > > Imports mailing list > > [email protected] > > http://lists.openstreetmap.org/listinfo/imports > > _______________________________________________ > Talk-us mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-us _______________________________________________ Talk-us mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-us

