Sourdough Access Road
Moderate · AceRogue River-Siskiyou National Forest, Oregon
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Add the first7.8 km4.8 mi
Distance
491 m1611 ft
Elevation gain
2h 35m
Est. time
Route
Route type
What to expect on this trail
- Natural surface
- Steep
- Rough underfoot
- Hiking
How these were worked out
- Natural surfacerecorded
- OpenStreetMap records the surface of this trail as "dirt". Source: OpenStreetMap, high confidence.
- Steepestimated
- Nine tenths of this trail is at or below a 16.6% grade, and its steepest climb reaches 25.5%. Source: DEM terrain profile, high confidence.
- Rough underfootestimated
- OpenStreetMap records smoothness "very_bad" on this trail. Source: OpenStreetMap, moderate confidence.
Biking is not listed. That means no explicit permission is recorded, which is not the same as a prohibition — see the bike section below.
Ace's Active Trek A real workout with honest climbing — pack water and snacks.
About this trail
Sourdough Access Road is a 7.8 km trail in Oregon. Route imported from OpenStreetMap (© OpenStreetMap contributors, ODbL); community descriptions, photos, and condition reports welcome.
Play the route
Fly the trail end to end, with the climb as it comes.
Conditions
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Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 17 m
- High point
- 808 m
- 90th percentile grade
- 16.6%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
Confirm before riding
No authoritative or explicit bicycle-access rule is recorded for this trail.
Estimated MTB suitability
Extreme
80% confidence - score 96/100
- - Terrain: 16.6% 90th-percentile grade and 63 m climbing per km.
- - Surface: dirt.
- - Smoothness: very bad.
- - Track firmness: grade3.
Source: No access source recorded - checked Aug 2, 2026 - rules v2
Posted signs and current land-manager closures always override OpenTrail.
Report incorrect bike access
Connecting trails
Trails whose path meets this one — plan a longer route or a loop.
Trails nearby
Other routes within about 15 km.
- 2.3 km away
North Fork Smith River Trail
Hard · IvyKalmiopsis Wilderness, Oregon
14.87 km · 4h 35m · ↑ 758 m
- 10.0 km away
Red Mountain Trail #1105
Hard · IvyKalmiopsis Wilderness, Oregon
12.52 km · 3h 40m · ↑ 536 m
- 10.7 km away
Kalmiopsis Rim Trail
Hard · IvyKalmiopsis Wilderness, Oregon
40.84 km · 12h 0m · ↑ 1767 m
- 12.5 km away
Chetco Lookout Trail
Easy · FernKalmiopsis Wilderness, Oregon
932 m · 25m · ↑ 142 m
- 12.7 km away
Navy Monument Trail #1105A
Easy · FernKalmiopsis Wilderness, Oregon
2.73 km · 40m · ↑ 18 m
- 12.8 km away
Chetco Divide Trail
Hard · IvyKalmiopsis Wilderness, Oregon
15.82 km · 4h 10m · ↑ 402 m
- 14.2 km away
Limber Camp Spring Trail
Easy · FernKalmiopsis Wilderness, Oregon
518 m · 5m · ↑ 0 m
Photos
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Frequently asked
How long is Sourdough Access Road?
Sourdough Access Road is 7.8 km (4.8 miles) as a route. Allow roughly 2h 35m at a steady walking pace, not counting stops.
How hard is Sourdough Access Road?
OpenTrail rates it moderate. It climbs about 491 m overall, and its steepest sustained stretches run around 17%.
Where is Sourdough Access Road?
Sourdough Access Road is in Rogue River-Siskiyou National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Sourdough Access Road?
No parking area is mapped within 1.5 km of this route in OpenStreetMap. That is not the same as there being none — check local access rules before you go.