Thunder Mountain Spur
Moderate · AceOregon
No photos yet
Add the first4.7 km2.9 mi
Distance
0 m0 ft
Elevation gain
1h 0m
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 13.9% 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
Thunder Mountain Spur is a 4.7 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
- 307 m
- High point
- 899 m
- 90th percentile grade
- 13.9%
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
47% confidence - score 36/100
- - Terrain: 13.9% 90th-percentile grade and 0 m climbing per km.
- - 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.
- 500 m away
Bob Butte Tie
Easy · FernOregon
2.85 km · 45m · ↑ 52 m
- 500 m away
Bob Butte Spur
Easy · FernOregon
1.75 km · 25m · ↑ 0 m
- 1.1 km away
Greenman Creek
Moderate · AceOregon
4.79 km · 1h 50m · ↑ 458 m
- 1.6 km away
Bob Butte
Moderate · AceOregon
4.42 km · 1h 5m · ↑ 45 m
- 1.9 km away
Bob Creek Connector
Easy · FernOregon
657 m · 15m · ↑ 46 m
- 2.4 km away
Little Creek
Easy · FernOregon
2.11 km · 50m · ↑ 241 m
- 2.4 km away
Swiftwater Tie
Hard · IvyOregon
10.31 km · 3h 15m · ↑ 578 m
- 2.6 km away
North Umpqua Trail: Swiftwater Section
Hard · IvyOregon
8.58 km · 2h 30m · ↑ 343 m
- 3.2 km away
Shivigny Lookout Spur
Easy · FernOregon
974 m · 20m · ↑ 67 m
- 3.6 km away
North Umpqa Trail
Easy · FernOregon
1.04 km · 15m · ↑ 0 m
- 3.7 km away
Lindsell Thunder Tie
Easy · FernOregon
2.22 km · 35m · ↑ 38 m
- 3.8 km away
Old Red Butte
Hard · IvyOregon
16.90 km · 5h 30m · ↑ 1040 m
Photos
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Frequently asked
How long is Thunder Mountain Spur?
Thunder Mountain Spur is 4.7 km (2.9 miles) as a route. Allow roughly 1h 0m at a steady walking pace, not counting stops.
How hard is Thunder Mountain Spur?
OpenTrail rates it moderate. It climbs about 0 m overall, and its steepest sustained stretches run around 14%.
Where is Thunder Mountain Spur?
Thunder Mountain Spur is in Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Thunder Mountain Spur?
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.