United States Forest Service Road 1633-128
Moderate · AceSiuslaw National Forest, Oregon
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Add the first3.4 km2.1 mi
Distance
89 m292 ft
Elevation gain
55m
Est. time
Route
Route type
What to expect on this trail
- Gravel
- Steep
- Rolling
- Hiking
How these were worked out
- Gravelrecorded
- OpenStreetMap records the surface of this trail as "gravel". Source: OpenStreetMap, high confidence.
- Steepestimated
- Nine tenths of this trail is at or below a 15.8% grade, and its steepest climb reaches 21.3%. Source: DEM terrain profile, moderate confidence.
- Rollingestimated
- The grade varies by 10.1 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
United States Forest Service Road 1633-128 is a 3.4 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
- 161 m
- High point
- 328 m
- 90th percentile grade
- 15.8%
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
65% confidence - score 55/100
- - Terrain: 15.8% 90th-percentile grade and 26 m climbing per km.
- - Surface: gravel.
- - Track firmness: grade2.
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.
- 6.5 km away
Cascade Head Rainforest Trail
Moderate · AceSiuslaw National Forest, Oregon
5.43 km · 1h 10m · ↑ 0 m
- 8.7 km away
Cascade Head Trail
Moderate · AceOregon
5.30 km · 1h 50m · ↑ 395 m
- 8.7 km away
Nature Conservancy Trail #1345
Easy · FernSiuslaw National Forest, Oregon
878 m · 15m · ↑ 12 m
- 9.2 km away
Hart's Cove Trail
Moderate · AceSiuslaw National Forest, Oregon
3.93 km · 1h 0m · ↑ 61 m
- 10.1 km away
Salmon River Trail
Easy · FernOregon
631 m · 10m · ↑ 0 m
- 10.3 km away
Ranch Hill Loop Trail
Easy · FernOregon
910 m · 15m · ↑ 39 m
- 10.6 km away
Old Baldy Trail
Easy · FernOregon
528 m · 10m · ↑ 21 m
- 10.8 km away
High Meadow Trail
Easy · FernOregon
959 m · 25m · ↑ 98 m
- 11.0 km away
Pacific View Trail
Easy · FernNestucca Bay National Wildlife Refuge, Oregon
619 m · 10m · ↑ 23 m
- 11.1 km away
Two Rivers Trail
Easy · FernNestucca Bay National Wildlife Refuge, Oregon
1.89 km · 30m · ↑ 28 m
- 12.1 km away
Marsh Trail
Easy · FernBob Straub State Park, Oregon
2.75 km · 35m · ↑ 0 m
- 12.4 km away
Bay Trail
Moderate · AceBob Straub State Park, Oregon
3.10 km · 40m · ↑ 0 m
Photos
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Frequently asked
How long is United States Forest Service Road 1633-128?
United States Forest Service Road 1633-128 is 3.4 km (2.1 miles) as a route. Allow roughly 55m at a steady walking pace, not counting stops.
How hard is United States Forest Service Road 1633-128?
OpenTrail rates it moderate. It climbs about 89 m overall, and its steepest sustained stretches run around 16%.
Where is United States Forest Service Road 1633-128?
United States Forest Service Road 1633-128 is in Siuslaw National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at United States Forest Service Road 1633-128?
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.