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

id = "john-muir"
name = "John Muir Trail"
short_name = "JMT"
country = "US"
regions = ["CA"]
length_km = 340
length_note = "211 mi published"
tier = "regional"
designation = "USFS and NPS trail, shares the PCT for about 150 mi"
wave = 1

[source]
status = "found"
publisher = "No single publisher: NPS Yosemite and Sequoia-Kings Canyon, USFS Inyo and Sierra National Forests"
url = "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails_Geographic/FeatureServer/0"
discovery = "arcgis-layer-edit-date: GET <layer>?f=json and read the layer's last edit date, when it exposes one (and the feature count); fetch again when either changes; plus OSM version for the whole route"
format = "NPS Public Trails (ArcGIS), filter TRLNAME LIKE '%John Muir%' (73 pieces); USFS National Forest System trails layer for the forest parts"
crs = "EPSG:4326"
licence = "ODbL-1.0"
licence_text = "OpenStreetMap contributors, ODbL 1.0 (share-alike). Credit: © OpenStreetMap contributors. The OpenStreetMap copyright page states: 'You are free to copy, distribute, transmit and adapt our data, as long as you credit OpenStreetMap and its contributors.' (https://www.openstreetmap.org/copyright, read 2026-11-09). The track included here is from OpenStreetMap, relation 1244828."
attribution = "OpenStreetMap contributors (ODbL)"
osm_only = true
mainline = "NPS covers only the park parts. OSM relation 1244828 is the only whole-trail track (verified)."
source_checked = "2026-11-08"
redistributable = true
line_source = "OpenStreetMap"
line_file = "line.geojson"

[osm]
relation = 1244828
note = "Verified against 340 km."

[shield]
status = "no-logo-exists"
logo_source = ""
contact = "USFS Inyo National Forest; NPS"
note = "No trail emblem exists. The file removed on 2026-11-08 was the generic NPS arrowhead (the agency mark, not the trail's), fetched from an NPS park page. The map draws the trail name only."
logo_file = ""
logo_owner = "USFS Inyo National Forest; NPS"

[verification]
verified = true
date = "2026-11-08"
measured_km = 335.8
difference_percent = -1.2
parts = 1
note = "Measured on the OSM relation: 335.8 km in 1 part, 1.2% short of 340 km."