North Fork Trail #3666 (Segment 5)
Hard · IvyWillamette National Forest, Oregon
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Add the first10.8 km6.7 mi
Distance
29 m95 ft
Elevation gain
2h 25m
Est. time
Route
Route type
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 6.0% grade, so the climbing is easy going throughout. Source: DEM terrain profile, high 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.
Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.
About this trail
North Fork Trail #3666 (Segment 5) is a 10.8 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
- 160 m
- High point
- 893 m
- 90th percentile grade
- 6.0%
Bike access & suitability
Legal permission and physical difficulty are evaluated separately.
Legal access
Confirm before riding
Estimated MTB suitability
Easy
35% confidence - score 13/100
- - Terrain: 6.0% 90th-percentile grade and 3 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.
- 1.8 km away
Box Canyon Trail #3660
Moderate · AceWillamette National Forest, Oregon
3.16 km · 45m · ↑ 6 m
- 2.1 km away
McBee Trail
Hard · IvyThree Sisters Wilderness, Oregon
30.66 km · 7h 50m · ↑ 606 m
- 2.7 km away
Grasshopper Mountain Trail #3569
Hard · IvyWillamette National Forest, Oregon
22.86 km · 6h 50m · ↑ 1060 m
- 2.9 km away
Erma Bell Lakes Trail #3563
Moderate · AceThree Sisters Wilderness, Oregon
7.07 km · 2h 0m · ↑ 281 m
- 3.2 km away
Chucksney Mountain Trail #3306
Hard · IvyWillamette National Forest, Oregon
9.39 km · 3h 10m · ↑ 634 m
- 3.5 km away
Irish Mountain Trail #3588
Moderate · AceThree Sisters Wilderness, Oregon
7.44 km · 2h 45m · ↑ 678 m
- 3.6 km away
Roaring River Edge
Hard · IvyWillamette National Forest, Oregon
10.00 km · 2h 55m · ↑ 397 m
- 4.6 km away
Williams Lake Trail #3589
Moderate · AceThree Sisters Wilderness, Oregon
4.29 km · 1h 15m · ↑ 166 m
- 5.2 km away
Crossing Way
Hard · IvyThree Sisters Wilderness, Oregon
9.20 km · 2h 5m · ↑ 5 m
- 6.5 km away
Judy Lake Trail #3575
Easy · FernThree Sisters Wilderness, Oregon
1.80 km · 30m · ↑ 84 m
- 6.6 km away
Blair Lake Trail #3553
Hard · IvyWaldo Lake Wilderness, Oregon
23.37 km · 6h 30m · ↑ 808 m
- 6.6 km away
Blair Lake Trail
Hard · IvyWaldo Lake Wilderness, Oregon
24.12 km · 6h 55m · ↑ 939 m
Photos
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Frequently asked
How long is North Fork Trail #3666 (Segment 5)?
North Fork Trail #3666 (Segment 5) is 10.8 km (6.7 miles) as a route. Allow roughly 2h 25m at a steady walking pace, not counting stops.
How hard is North Fork Trail #3666 (Segment 5)?
OpenTrail rates it hard. It climbs about 29 m overall, and its steepest sustained stretches run around 6%.
Where is North Fork Trail #3666 (Segment 5)?
North Fork Trail #3666 (Segment 5) 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 North Fork Trail #3666 (Segment 5)?
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.