National Forest Development Road 3637
Hard · IvyFremont-Winema National Forest, Oregon
No photos yet
Add the first10.1 km6.3 mi
Distance
175 m574 ft
Elevation gain
2h 30m
Est. time
Route
Route type
- 2 parking areas
What to expect on this trail
- Natural surface
- Moderate climbs
- Hiking
- Running
How these were worked out
- Natural surfacerecorded
- OpenStreetMap records the surface of this trail as "unpaved". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 8.6% grade, which is steady work rather than scrambling. Source: DEM terrain profile, high 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.
Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.
About this trail
National Forest Development Road 3637 is a 10.1 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
- 201 m
- High point
- 1436 m
- 90th percentile grade
- 8.6%
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
Moderate
53% confidence - score 38/100
- - Terrain: 8.6% 90th-percentile grade and 17 m climbing per km.
- - Surface: unpaved.
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.
- 3.7 km away
Varney Creek Trail
Moderate · AceMountain Lakes Wilderness, Oregon
7.05 km · 2h 10m · ↑ 363 m
- 6.7 km away
Mazama
Moderate · AceOregon
7.84 km · 2h 15m · ↑ 287 m
- 7.2 km away
Spence Peak Trail
Hard · IvyOregon
9.30 km · 2h 5m · ↑ 29 m
- 7.6 km away
Peak Tie
Easy · FernOregon
2.04 km · 30m · ↑ 6 m
- 7.9 km away
North Ridge
Moderate · AceOregon
3.90 km · 50m · ↑ 0 m
- 8.3 km away
Old Eagle
Easy · FernOregon
2.74 km · 35m · ↑ 0 m
- 8.4 km away
Chinquapin
Moderate · AceOregon
3.39 km · 45m · ↑ 0 m
- 8.4 km away
Mountain Lakes Loop Trail
Hard · IvyMountain Lakes Wilderness, Oregon
12.71 km · 3h 40m · ↑ 521 m
- 8.4 km away
Nighthawk
Easy · FernOregon
2.76 km · 35m · ↑ 0 m
- 8.4 km away
Shoalwater
Moderate · AceOregon
4.77 km · 1h 15m · ↑ 118 m
- 8.5 km away
Captain Jack
Moderate · AceOregon
4.63 km · 1h 25m · ↑ 224 m
- 8.5 km away
Upper Hooligan
Moderate · AceOregon
3.26 km · 45m · ↑ 0 m
Photos
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Frequently asked
How long is National Forest Development Road 3637?
National Forest Development Road 3637 is 10.1 km (6.3 miles) as a route. Allow roughly 2h 30m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 3637?
OpenTrail rates it hard. It climbs about 175 m overall, and its steepest sustained stretches run around 9%.
Where is National Forest Development Road 3637?
National Forest Development Road 3637 is in Fremont-Winema 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 Development Road 3637?
2 mapped parking areas sit within 1.5 km of the route. Parking comes from OpenStreetMap, so check the signage when you arrive.