# Long-trail record. Field meanings: docs/schema.md in this repository.

id = "colorado-trail"
name = "Colorado Trail"
short_name = "CT"
country = "US"
regions = ["CO"]
length_km = 782
length_note = "486 mi published (Colorado Trail Foundation), Denver to Durango"
tier = "regional"
designation = "Colorado Trail Foundation trail, most of it on National Forest System land"
wave = 1
wave_note = "USFS public domain for 727 km (95%) and OpenStreetMap (ODbL) for the 38 km the Forest Service does not publish, in 17 named stretches: Waterton Canyon (Denver Water), Chalk Creek, Monarch Pass, near Twin Lakes, near Rico, and the Durango end."

[source]
status = "verified"
publisher = "USDA Forest Service (EDW National Forest System trails), with OpenStreetMap where the Forest Service publishes no segment"
url = "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0"
discovery = "arcgis-query-hash: GET <url>/query with the recorded where clauses (trail_no '1776' named COLORADO, and ' - CO.TRAIL'), hash the answer body and count its rows; fetch again when either changes"
format = "ArcGIS MapServer layer, queried in three parts: trail_no = '1776' AND trail_name = 'COLORADO' (90 features), trail_name LIKE '%CO.TRAIL%' (36), and the locally named segments matched by shape (50); outSR=4326, f=geojson. OSM relations 19469031, 19467582, 19469030 and 3823497 read through Overpass."
crs = "USFS stores Web Mercator (ask for outSR=4326); OSM is EPSG:4326"
licence = "us-gov-public-domain"
licence_text = "United States federal government work, public domain in the United States under 17 U.S.C. 105. The National Park Service states: 'Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection under 17 U.S.C. 105.' (https://irma.nps.gov/DataStore/Reference/Profile/2311077, read 2026-11-09). Part of the track (about 38 km) is from OpenStreetMap and is ODbL 1.0: © OpenStreetMap contributors (https://www.openstreetmap.org/copyright)."
attribution = "USDA Forest Service; OpenStreetMap contributors (ODbL)"
osm_only = false
mainline = "Main track = the Forest Service segments wherever the layer has them, joined through the OSM relations. Collegiate East (OSM 19467582) is the main route through the Sawatch; Collegiate West (OSM 3823497) is the alternate in alternates.geojson. The USFS segments are named 'COLORADO' (no 1776) east of Monarch Pass and '<place> - CO.TRAIL' or a local trail name (CDNST, SUMMIT, SKYLINE) west of it."
source_checked = "2026-11-08"
redistributable = true
line_source = "USDA Forest Service (EDW National Forest System trails), with OpenStreetMap where the Forest Service publishes no segment"
line_file = "line.geojson"

[osm]
relation = 19469031
note = "19469031 Waterton Canyon to Twin Lakes (287.3 km) and 19469030 Durango to Monarch Pass (356.2 km), joined by 19467582 Collegiate East (124.5 km); 3823497 Collegiate West (127.8 km) is the alternate. Downloaded 2026-11-08; release.txt has the versions."

[shield]
status = "logo-not-found"
logo_source = ""
contact = "Colorado Trail Foundation"
note = "No logo file found: coloradotrail.org blocks automated fetches (403) and its store shows the triangular CT logo only in product photos. Retried 2026-11-08 with a browser identifier: the site answers HTTP 403 to every request (SiteDistrict WAF), its Instagram hides the profile picture from anonymous clients, and Commons has no file naming the Foundation."
logo_file = ""
logo_owner = "Colorado Trail Foundation"

[verification]
verified = true
date = "2026-11-08"
measured_km = 765.6
difference_percent = -2.1
parts = 1
note = "The Forest Service segments plus the OSM relations give 765.6 km in 1 part, 2.1% short of 782 km: USFS 727.2 km (95%) and OSM 38.4 km in 17 short stretches, the largest Chalk Creek 7.8 km, Rico 5.6 km, Waterton Canyon 5.2 km and Monarch Pass 4.7 km. Earlier OSM-only measure was 643.8 km: the two big relations stop at Twin Lakes and Monarch Pass and do not include the Collegiate East between them."