Forest Road 40S12
Moderate · AceKlamath National Forest, Oregon
No photos yet
Add the first4.8 km3.0 mi
Distance
92 m302 ft
Elevation gain
1h 15m
Est. time
Route
Route type
What to expect on this trail
- Moderate climbs
- Hiking
- Running
How these were worked out
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 13.0% grade, which is steady work rather than scrambling. Source: DEM terrain profile, 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
Forest Road 40S12 is a 4.8 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
Loading forecast…
Elevation profile
Terrain sampled every 35 m from public elevation data.
- Descent
- 41 m
- High point
- 1470 m
- 90th percentile grade
- 13.0%
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
Moderate
35% confidence - score 29/100
- - Terrain: 13.0% 90th-percentile grade and 19 m climbing per km.
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
Trails nearby
Other routes within about 15 km.
- 200 m away
Beaver Grouse Road Spur A
Moderate · AceKlamath National Forest, Oregon
3.69 km · 55m · ↑ 64 m
- 2.0 km away
PCT - California Section R
Hard · IvyKlamath National Forest, Oregon
98.38 km · 28h 15m · ↑ 3853 m
- 2.0 km away
Pacific Crest Trail
Hard · IvyKlamath National Forest, Oregon
59.18 km · 16h 5m · ↑ 1767 m
- 3.1 km away
Rogue River National Forest
Easy · FernKlamath National Forest, Oregon
1.53 km · 25m · ↑ 28 m
- 4.0 km away
Upper Cow Creek Road Spur A
Easy · FernKlamath National Forest, Oregon
2.25 km · 35m · ↑ 66 m
- 5.3 km away
Deer Creek Ridge Road Spur A
Easy · FernKlamath National Forest, Oregon
1.78 km · 35m · ↑ 105 m
- 5.8 km away
Seven Mile Ridge Trail #939
Moderate · AceRogue River-Siskiyou National Forest, Oregon
5.64 km · 1h 50m · ↑ 349 m
- 5.9 km away
Split Rock Trail
Moderate · AceRogue River-Siskiyou National Forest, Oregon
4.87 km · 1h 20m · ↑ 175 m
- 6.4 km away
Cotton Road Spur A
Easy · FernKlamath National Forest, Oregon
846 m · 15m · ↑ 20 m
- 7.2 km away
Upper Spaulding Road Spur A
Easy · FernKlamath National Forest, Oregon
1.57 km · 20m · ↑ 0 m
- 7.5 km away
Time Warp
Moderate · AceRogue River-Siskiyou National Forest, Oregon
6.14 km · 1h 25m · ↑ 37 m
- 7.8 km away
Upper Spaulding Road Spur B
Easy · FernKlamath National Forest, Oregon
1.31 km · 20m · ↑ 6 m
Photos
Location metadata is stripped from uploads automatically. New photos are reviewed by a moderator before they appear publicly.
No photos yet.
Reviews
Create a free account to review this trail.
Frequently asked
How long is Forest Road 40S12?
Forest Road 40S12 is 4.8 km (3.0 miles) as a route. Allow roughly 1h 15m at a steady walking pace, not counting stops.
How hard is Forest Road 40S12?
OpenTrail rates it moderate. It climbs about 92 m overall, and its steepest sustained stretches run around 13%.
Where is Forest Road 40S12?
Forest Road 40S12 is in Klamath National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Forest Road 40S12?
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.