National Forest Road 331
Moderate · AceOchoco National Forest, Oregon
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Add the first4.2 km2.6 mi
Distance
188 m617 ft
Elevation gain
1h 15m
Est. time
Route
Route type
What to expect on this trail
- Moderate climbs
- Rough underfoot
- Hiking
How these were worked out
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 11.6% grade, which is steady work rather than scrambling. Source: DEM terrain profile, moderate confidence.
- Rough underfootestimated
- OpenStreetMap records track type "grade5" 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
National Forest Road 331 is a 4.2 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
- 42 m
- High point
- 1550 m
- 90th percentile grade
- 11.6%
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
Difficult
47% confidence - score 55/100
- - Terrain: 11.6% 90th-percentile grade and 44 m climbing per km.
- - Track firmness: grade5.
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.
- 8.6 km away
Owl Creek Trail #820A
Easy · FernBlack Canyon Wilderness, Oregon
889 m · 20m · ↑ 80 m
- 8.8 km away
Black Canyon Trail #820
Hard · IvyBlack Canyon Wilderness, Oregon
17.89 km · 4h 0m · ↑ 28 m
- 11.4 km away
South Prong Trail #281
Hard · IvyBlack Canyon Wilderness, Oregon
8.38 km · 2h 5m · ↑ 138 m
- 11.5 km away
Coffee Pot Trail #820B
Easy · FernBlack Canyon Wilderness, Oregon
1.76 km · 50m · ↑ 271 m
Photos
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Frequently asked
How long is National Forest Road 331?
National Forest Road 331 is 4.2 km (2.6 miles) as a route. Allow roughly 1h 15m at a steady walking pace, not counting stops.
How hard is National Forest Road 331?
OpenTrail rates it moderate. It climbs about 188 m overall, and its steepest sustained stretches run around 12%.
Where is National Forest Road 331?
National Forest Road 331 is in Ochoco National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at National Forest Road 331?
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.