Tam McArthur Rim Trail #4078
Moderate · AceThree Sisters Wilderness, Oregon
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Add the first4.2 km2.6 mi
Distance
360 m1181 ft
Elevation gain
1h 30m
Est. time
Route
Route type
What to expect on this trail
- Natural surface
- Steep
- Sustained climb
- Hiking
How these were worked out
- Natural surfacerecorded
- OpenStreetMap records the surface of this trail as "ground". Source: OpenStreetMap, high confidence.
- Steepestimated
- Nine tenths of this trail is at or below a 17.5% grade, and its steepest climb reaches 38.7%. Source: DEM terrain profile, moderate confidence.
- Sustained climbestimated
- This trail gains 85 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
Tam McArthur Rim Trail #4078 is a 4.2 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
- 5 m
- High point
- 2348 m
- 90th percentile grade
- 17.5%
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
53% confidence - score 62/100
- - Terrain: 17.5% 90th-percentile grade and 85 m climbing per km.
- - Surface: ground.
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.
- less than 100 m away
Little Three Creek Lake Trail #4076
Easy · FernDeschutes National Forest, Oregon
2.09 km · 35m · ↑ 51 m
- 350 m away
East Fork Trail #4079
Easy · FernDeschutes National Forest, Oregon
970 m · 20m · ↑ 49 m
- 1.1 km away
Three Creek Meadow Trail #4103
Easy · FernDeschutes National Forest, Oregon
1.76 km · 30m · ↑ 76 m
- 1.2 km away
Park Meadow Tie Trail #4102
Moderate · AceThree Sisters Wilderness, Oregon
3.94 km · 1h 0m · ↑ 69 m
- 1.3 km away
Metolius-Windigo Trail #99
Hard · IvyDeschutes National Forest, Oregon
48.80 km · 12h 0m · ↑ 685 m
- 1.9 km away
Park Meadow Trail #96A
Hard · IvyThree Sisters Wilderness, Oregon
8.02 km · 1h 55m · ↑ 96 m
- 5.0 km away
Mrazek Trail
Hard · IvyDeschutes National Forest, Oregon
20.00 km · 4h 30m · ↑ 51 m
- 5.0 km away
Mrazek Trail #32
Hard · IvyDeschutes National Forest, Oregon
8.47 km · 1h 55m · ↑ 41 m
- 5.2 km away
Swampy Lakes Trail #23
Hard · IvyDeschutes National Forest, Oregon
11.59 km · 3h 5m · ↑ 316 m
- 5.2 km away
Metolius-Windigo Trail
Hard · IvyDeschutes National Forest, Oregon
93.28 km · 22h 35m · ↑ 1104 m
- 5.7 km away
North Fork Trail #24.2
Moderate · AceDeschutes National Forest, Oregon
5.33 km · 1h 45m · ↑ 331 m
- 6.5 km away
Broken Top Northwest Ridge route
Moderate · AceThree Sisters Wilderness, Oregon
2.49 km · 1h 45m · ↑ 735 m
Photos
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Frequently asked
How long is Tam McArthur Rim Trail #4078?
Tam McArthur Rim Trail #4078 is 4.2 km (2.6 miles) as a route. Allow roughly 1h 30m at a steady walking pace, not counting stops.
How hard is Tam McArthur Rim Trail #4078?
OpenTrail rates it moderate. It climbs about 360 m overall, and its steepest sustained stretches run around 18%.
Where is Tam McArthur Rim Trail #4078?
Tam McArthur Rim Trail #4078 is in Three Sisters Wilderness, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Tam McArthur Rim Trail #4078?
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.