Flat Loop
Moderate · AceWillamette National Forest, Oregon
No photos yet
Add the first3.5 km2.2 mi
Distance
58 m190 ft
Elevation gain
55m
Est. time
Route
Route type
- 3 parking areas
What to expect on this trail
- Gently graded
- Hiking
- Running
How these were worked out
- Gently gradedestimated
- Nine tenths of this trail is at or below a 6.1% grade, so the climbing is easy going throughout. 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
Flat Loop is a 3.5 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
- 47 m
- High point
- 1187 m
- 90th percentile grade
- 6.1%
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
Easy
35% confidence - score 14/100
- - Terrain: 6.1% 90th-percentile grade and 17 m climbing per km.
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
Maxwell Loop
Moderate · AceWillamette National Forest, Oregon
5.08 km · 1h 10m · ↑ 18 m
- 600 m away
Park Loop
Easy · FernWillamette National Forest, Oregon
1.15 km · 15m · ↑ 0 m
- 650 m away
Maxwell Butte Trail
Moderate · AceMount Jefferson Wilderness, Oregon
7.48 km · 2h 55m · ↑ 743 m
- 650 m away
Maxwell Butte Trail #3391
Moderate · AceMount Jefferson Wilderness, Oregon
7.48 km · 2h 55m · ↑ 743 m
- 3.7 km away
Lava Lakes Trail #3433
Moderate · AceMount Jefferson Wilderness, Oregon
4.48 km · 1h 10m · ↑ 89 m
- 3.7 km away
Duffy Lake Trail
Moderate · AceWillamette National Forest, Oregon
3.84 km · 50m · ↑ 0 m
- 3.7 km away
Duffy Lake Trail #3427
Hard · IvyMount Jefferson Wilderness, Oregon
9.41 km · 2h 30m · ↑ 237 m
- 4.3 km away
Big Meadows Loop Trail #3456
Moderate · AceWillamette National Forest, Oregon
4.88 km · 1h 15m · ↑ 108 m
- 4.4 km away
Big Meadows Tie Trail #3434
Easy · FernMount Jefferson Wilderness, Oregon
2.97 km · 40m · ↑ 20 m
- 5.3 km away
Pika-Fir Trail #3489
Easy · FernWillamette National Forest, Oregon
1.44 km · 25m · ↑ 58 m
- 5.5 km away
Crescent Mountain Trail
Hard · IvyWillamette National Forest, Oregon
12.76 km · 3h 55m · ↑ 664 m
- 5.5 km away
Crescent Mountain Trail #3384
Hard · IvyWillamette National Forest, Oregon
12.76 km · 3h 55m · ↑ 664 m
Photos
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Frequently asked
How long is Flat Loop?
Flat Loop is 3.5 km (2.2 miles) as a route. Allow roughly 55m at a steady walking pace, not counting stops.
How hard is Flat Loop?
OpenTrail rates it moderate. It climbs about 58 m overall, and its steepest sustained stretches run around 6%.
Where is Flat Loop?
Flat Loop is in Willamette National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Flat Loop?
3 mapped parking areas sit within 1.5 km of the route, the nearest being Maxwell Butte Sno Park. Parking comes from OpenStreetMap, so check the signage when you arrive.