Shirley Lake Trail #4003.1
Hard · IvyMount Jefferson Wilderness, Oregon
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Add the first2.4 km1.5 mi
Distance
224 m735 ft
Elevation gain
55m
Est. time
Route
Route type
- No bicycles
What to expect on this trail
- Steep
- Sustained climb
- Hiking
How these were worked out
- Steepestimated
- Nine tenths of this trail is at or below a 21.2% grade, and its steepest climb reaches 37.1%. Source: DEM terrain profile, moderate confidence.
- Sustained climbestimated
- This trail gains 93 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.
Ivy's Peak Challenge Steep, long, or rough. Experienced hikers will love it.
About this trail
Shirley Lake Trail #4003.1 is a 2.4 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
- 0 m
- High point
- 1917 m
- 90th percentile grade
- 21.2%
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
Difficult
35% confidence - score 52/100
- - Terrain: 21.2% 90th-percentile grade and 93 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.
- 2.0 km away
Brush Creek Trail
Moderate · AceMount Jefferson Wilderness, Oregon
5.27 km · 1h 20m · ↑ 87 m
- 2.0 km away
Cabot Lake Trail #4003
Moderate · AceMount Jefferson Wilderness, Oregon
3.22 km · 50m · ↑ 93 m
- 2.9 km away
Jefferson Lake Trail #4001
Moderate · AceMount Jefferson Wilderness, Oregon
3.84 km · 55m · ↑ 14 m
- 3.9 km away
Table Lake Cutoff
Easy · FernMount Jefferson Wilderness, Oregon
2.31 km · 55m · ↑ 230 m
- 3.9 km away
Rockpile Lake Trail #4005
Hard · IvyMount Jefferson Wilderness, Oregon
8.91 km · 2h 0m · ↑ 12 m
- 4.1 km away
Lake of the Woods Trail #3493
Hard · IvyMount Jefferson Wilderness, Oregon
10.35 km · 2h 35m · ↑ 159 m
- 4.2 km away
Hole in the Wall Overlook Trail
Easy · FernMount Jefferson Wilderness, Oregon
2.24 km · 40m · ↑ 125 m
- 4.3 km away
Hunts Creek Trail #3440
Hard · IvyMount Jefferson Wilderness, Oregon
10.41 km · 2h 35m · ↑ 179 m
- 4.4 km away
Hunts Cove Trail
Moderate · AceMount Jefferson Wilderness, Oregon
3.29 km · 45m · ↑ 6 m
- 4.4 km away
Old Hunts Cove Trail
Easy · FernMount Jefferson Wilderness, Oregon
1.98 km · 25m · ↑ 0 m
- 5.5 km away
Bingham Ridge Trail #3421
Moderate · AceMount Jefferson Wilderness, Oregon
6.62 km · 1h 30m · ↑ 10 m
- 5.7 km away
Minto Pass Trail #3437
Hard · IvyMount Jefferson Wilderness, Oregon
8.59 km · 2h 0m · ↑ 75 m
Photos
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Frequently asked
How long is Shirley Lake Trail #4003.1?
Shirley Lake Trail #4003.1 is 2.4 km (1.5 miles) as a route. Allow roughly 55m at a steady walking pace, not counting stops.
How hard is Shirley Lake Trail #4003.1?
OpenTrail rates it hard. It climbs about 224 m overall, and its steepest sustained stretches run around 21%.
Where is Shirley Lake Trail #4003.1?
Shirley Lake Trail #4003.1 is in Mount Jefferson Wilderness, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at Shirley Lake Trail #4003.1?
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 Shirley Lake Trail #4003.1?
Bicycles are not permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.