The Hiking World

Diablo Regional Trail

Diablo Regional Trail — tail catalogue entry from OSM relation 11223063. Geometry and elevation are OSM/GLO-30 and provisional. No special permit known; verify locally.

Saved on this device only. Nothing is sent to an account or a payment service.

Distance 89.5 km Reported · Ascent provisional (DEM sample) · High point provisional (DEM sample) · 4d · SAC T2 · Ungraded (tail ingest)

Last checked 2026-09-24

Cite this record

The Hiking World, Diablo Regional Trail, read 2026-09-24, https://www.thehikingworld.com/trails/diablo-regional-trail

How we verify · last checked 2026-09-24

Byline

  • The Hiking World editorial team · author
Diablo Regional Trail

Figures marked provisional are seed data and still need verification. Source and last-checked date sit under each cited value.

Forecast at page generation, 2026-11-07T17:37:05.652Z

Representative point on Diablo Regional Trail: 37.835°, -121.889°, about 694 m. A forecast, not a trail-surface reading.

Source Open-Meteo. Mountain weather changes with elevation and aspect.

Life-safety notices on this page come from the issuer.

Stored line for Diablo Regional Trail, from 37.868°, -121.750° to 37.899°, -122.031°. The drawing is the simplified record, not a surveyed GPS track.

Map loads when this section is on screen.

GeoJSON

This line is a schematic. The files are not a GPS track. GPX · GeoJSON

Facts37.868, -121.750
Distance89.5 km*
osm-2d (provisional; not walking distance) · read 2026-09-23
Ascent+2,364 m*
copernicus-dem:glo-30 · read 2026-09-24 · provisional
Descent2,353 m*
copernicus-dem:glo-30 · read 2026-09-24 · provisional
High point694 m
copernicus-dem:glo-30 · read 2026-09-24 · provisional
Low point76 m
copernicus-dem:glo-30 · read 2026-09-24 · provisional
Routepoint-to-point
Days4
Seasonunverified
GradeUngraded (tail ingest)

Catalog entry

DifficultyUngraded (tail ingest)
SAC T2
Mountain hiking. Continuous trail, some steep ground, sure-footedness helpful.
YDS Class 1
Class 1. Walking on an established path; low fall risk.
Elevation
7638569478.87 km profile length (DEM sample)

Stored distance is 89.5 km. The chart axis follows the DEM sample (78.87 km), not the published line length.

Tail catalogue entry built from OpenStreetMap relation 11223063 (ODbL). The stored line is the OSM geometry, decimated; its 2-D length is provisional and not published as walking distance.

Elevation high/low and ascent/descent are Copernicus GLO-30 samples at the line vertices (copernicus-dem:glo-30) and remain provisional.

No special permit was researched for this trail. Permit is marked unverified — confirm locally before relying on it.

Water

No water sources recorded.

Permits & fees

Conditions, fees and rules change. Confirm with the issuer and local authorities before you go. This is a reference, not a substitute for local advice. Terms

Permit status is unverified.

Getting there

No sourced gateway chain yet.

Getting there car-free

  • Diablo Regional Trail (start): car-free flag unknown.
  • Diablo Regional Trail (end): car-free flag unknown.

Trailheads

  • Diablo Regional Trail (start) car-free: unknown
  • Diablo Regional Trail (end) car-free: unknown

Questions

Do I need a permit for Diablo Regional Trail?

Permit status is unverified for Diablo Regional Trail. This desk does not assert that a walking permit is or is not required.

How difficult is Diablo Regional Trail?

Diablo Regional Trail is graded SAC T2 · YDS 1.

How long is Diablo Regional Trail?

The length on this record is 89.5 km (reported). Published figures may differ. See /guides/how-long-is-the-trail

Related trails

Featured in