National Forest Development Road 3664
Moderate · AceFremont-Winema National Forest, Oregon
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Add the first3.2 km2.0 mi
Distance
276 m906 ft
Elevation gain
1h 10m
Est. time
Route
Route type
- Parking nearby
What to expect on this trail
- Gravel
- Moderate climbs
- Sustained climb
- Hiking
- Running
How these were worked out
- Gravelrecorded
- OpenStreetMap records the surface of this trail as "gravel". Source: OpenStreetMap, high confidence.
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 12.9% grade, which is steady work rather than scrambling. Source: DEM terrain profile, moderate confidence.
- Sustained climbestimated
- This trail gains 86 m of elevation per kilometre. 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
National Forest Development Road 3664 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
- 0 m
- High point
- 1692 m
- 90th percentile grade
- 12.9%
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 47/100
- - Terrain: 12.9% 90th-percentile grade and 86 m climbing per km.
- - Surface: gravel.
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.
- 6.9 km away
Mountain Lakes Loop Trail
Hard · IvyMountain Lakes Wilderness, Oregon
12.71 km · 3h 40m · ↑ 521 m
- 8.0 km away
Mazama
Moderate · AceOregon
7.84 km · 2h 15m · ↑ 287 m
- 8.4 km away
Spence Peak Trail
Hard · IvyOregon
9.30 km · 2h 5m · ↑ 29 m
- 8.5 km away
Mountain Lakes Trail
Hard · IvyMountain Lakes Wilderness, Oregon
8.23 km · 1h 50m · ↑ 25 m
- 8.7 km away
Peak Tie
Easy · FernOregon
2.04 km · 30m · ↑ 6 m
- 8.8 km away
Clover Creek Trail
Moderate · AceMountain Lakes Wilderness, Oregon
5.22 km · 1h 10m · ↑ 6 m
- 9.3 km away
High Lakes Trail #6200
Hard · IvyFremont-Winema National Forest, Oregon
14.55 km · 3h 25m · ↑ 107 m
- 9.4 km away
North Ridge
Moderate · AceOregon
3.90 km · 50m · ↑ 0 m
- 9.7 km away
Old Eagle
Easy · FernOregon
2.74 km · 35m · ↑ 0 m
- 9.7 km away
Upper Hooligan
Moderate · AceOregon
3.26 km · 45m · ↑ 0 m
- 9.8 km away
Captain Jack
Moderate · AceOregon
4.63 km · 1h 25m · ↑ 224 m
- 9.8 km away
Nighthawk
Easy · FernOregon
2.76 km · 35m · ↑ 0 m
Photos
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Frequently asked
How long is National Forest Development Road 3664?
National Forest Development Road 3664 is 3.2 km (2.0 miles) as a route. Allow roughly 1h 10m at a steady walking pace, not counting stops.
How hard is National Forest Development Road 3664?
OpenTrail rates it moderate. It climbs about 276 m overall, and its steepest sustained stretches run around 13%.
Where is National Forest Development Road 3664?
National Forest Development Road 3664 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 3664?
One mapped parking area sits within 1.5 km of the route. Parking comes from OpenStreetMap, so check the signage when you arrive.