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Forest Road 40S23

Moderate · Ace

Klamath National Forest, Oregon

Directions

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3.2 km2.0 mi

Distance

40 m131 ft

Elevation gain

45m

Est. time

Route

Route type

What to expect on this trail

  • Natural surface
  • Steep
  • Rough underfoot
  • Rolling
  • Hiking
How these were worked out
Natural surfacerecorded
OpenStreetMap records the surface of this trail as "unpaved". Source: OpenStreetMap, high confidence.
Steepestimated
Nine tenths of this trail is at or below a 20.1% grade, and its steepest climb reaches 38.0%. Source: DEM terrain profile, moderate confidence.
Rough underfootestimated
OpenStreetMap records track type "grade5" on this trail. Source: OpenStreetMap, moderate confidence.
Rollingestimated
The grade varies by 11.8 percentage points along the route rather than climbing steadily. 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 40S23 is a 3.2 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
200 m
High point
1844 m
90th percentile grade
20.1%
1844 m1746 m1647 m0 m1.6 km3.2 km

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

Bike access unknown

Legal access

Confirm before riding

No authoritative or explicit bicycle-access rule is recorded for this trail.

Estimated MTB suitability

Extreme

65% confidence - score 88/100

  • - Terrain: 20.1% 90th-percentile grade and 12 m climbing per km.
  • - Surface: unpaved.
  • - 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.

Photos

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Reviews

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Frequently asked

How long is Forest Road 40S23?

Forest Road 40S23 is 3.2 km (2.0 miles) as a route. Allow roughly 45m at a steady walking pace, not counting stops.

How hard is Forest Road 40S23?

OpenTrail rates it moderate. It climbs about 40 m overall, and its steepest sustained stretches run around 20%.

Where is Forest Road 40S23?

Forest Road 40S23 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 40S23?

3 mapped parking areas sit within 1.5 km of the route. Parking comes from OpenStreetMap, so check the signage when you arrive.

Trail data last updated August 2, 2026 · terrain computed July 30, 2026