Cascadian Thumb Trail
Easy · FernThurston Hills Natural Area, Oregon
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Add the first0.5 km0.3 mi
Distance
26 m85 ft
Elevation gain
10m
Est. time
Route
Route type
- No bicycles
What to expect on this trail
- Steep
- Rolling
- Hiking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 50.9% grade, and its steepest climb reaches 81.8%. Source: DEM terrain profile, low confidence.
- Rollingestimated
- The grade varies by 25.4 percentage points along the route rather than climbing steadily. Source: DEM terrain profile, low 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.
Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.
About this trail
Cascadian Thumb Trail is a 0.5 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
- 9 m
- High point
- 421 m
- 90th percentile grade
- 50.9%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
prohibited
OpenStreetMap explicitly marks bicycle access as prohibited on at least one segment.
Estimated MTB suitability
Moderate
35% confidence - score 49/100
- - Terrain: 50.9% 90th-percentile grade and 48 m climbing per km.
Source: Explicit OpenStreetMap access tags - OpenStreetMap contributors - checked Aug 2, 2026 - rules v2
View access evidencePosted 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.
- 350 m away
Camas Crest Trail (upper)
Easy · FernThurston Hills Natural Area, Oregon
528 m · 5m · ↑ 0 m
- 550 m away
Camas Crest Trail (lower)
Easy · FernThurston Hills Natural Area, Oregon
1.75 km · 30m · ↑ 81 m
- 750 m away
Mossy Maple (upper)
Easy · FernThurston Hills Natural Area, Oregon
2.06 km · 30m · ↑ 16 m
- 800 m away
Thurston Hills Multi-use Path
Moderate · AceOregon
6.52 km · 1h 30m · ↑ 39 m
- 850 m away
Yee Haw
Easy · FernThurston Hills Natural Area, Oregon
1.60 km · 20m · ↑ 0 m
- 1.7 km away
Chinquapin Chute Trail
Easy · FernThurston Hills Natural Area, Oregon
750 m · 10m · ↑ 0 m
- 1.8 km away
Mossy Maple (lower)
Easy · FernThurston Hills Natural Area, Oregon
2.06 km · 40m · ↑ 137 m
- 1.9 km away
Acer Spades
Easy · FernThurston Hills Natural Area, Oregon
1.82 km · 25m · ↑ 0 m
- 3.8 km away
Middle Fork Willamette Path
Moderate · AceOregon
5.37 km · 1h 10m · ↑ 0 m
- 4.1 km away
Trail #4
Moderate · AceHoward Buford Recreation Area, Oregon
3.85 km · 1h 10m · ↑ 169 m
- 4.1 km away
Trail #46
Moderate · AceHoward Buford Recreation Area, Oregon
1.31 km · 25m · ↑ 65 m
- 4.3 km away
Trail #2
Moderate · AceHoward Buford Recreation Area, Oregon
4.12 km · 1h 25m · ↑ 292 m
Photos
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Frequently asked
How long is Cascadian Thumb Trail?
Cascadian Thumb Trail is 0.5 km (0.3 miles) as a route. Allow roughly 10m at a steady walking pace, not counting stops.
How hard is Cascadian Thumb Trail?
OpenTrail rates it easy. It climbs about 26 m overall, and its steepest sustained stretches run around 51%.
Where is Cascadian Thumb Trail?
Cascadian Thumb Trail is in Thurston Hills Natural Area, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Cascadian Thumb Trail?
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.
Can you bike Cascadian Thumb Trail?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.