S400
Hard · IvyOregon
No photos yet
Add the first16.0 km10.0 mi
Distance
1089 m3573 ft
Elevation gain
5h 25m
Est. time
Route
Route type
What to expect on this trail
- Moderate climbs
- Hiking
- Running
How these were worked out
- Moderate climbsestimated
- Nine tenths of this trail is at or below a 14.6% grade, which is steady work rather than scrambling. 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
S400 is a 16.0 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
- 110 m
- High point
- 2062 m
- 90th percentile grade
- 14.6%
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
Moderate
35% confidence - score 36/100
- - Terrain: 14.6% 90th-percentile grade and 68 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.
- S20015.9 km · 9.9 miHard · Ivy
- S48013.1 km · 8.1 miHard · Ivy
- S31010.4 km · 6.4 miHard · Ivy
- R430 Stage Road8.5 km · 5.3 miHard · Ivy
- S4204.8 km · 3.0 miModerate · Ace
- R3703.6 km · 2.2 miModerate · Ace
- S4011.9 km · 1.2 miEasy · Fern
- R4301.6 km · 1.0 miEasy · Fern
- S4401.4 km · 0.9 miEasy · Fern
- S2500.8 km · 0.5 miEasy · Fern
Trails nearby
Other routes within about 15 km.
- 1.5 km away
R300
Moderate · AceOregon
5.79 km · 1h 35m · ↑ 158 m
- 1.6 km away
S430
Easy · FernOregon
2.56 km · 40m · ↑ 45 m
- 2.1 km away
R432
Moderate · AceOregon
3.61 km · 50m · ↑ 12 m
- 3.1 km away
S402
Easy · FernOregon
801 m · 20m · ↑ 114 m
- 3.3 km away
S403
Easy · FernOregon
935 m · 25m · ↑ 104 m
- 3.5 km away
R431
Moderate · AceOregon
6.37 km · 1h 55m · ↑ 287 m
- 3.6 km away
R350
Easy · FernOregon
1.79 km · 30m · ↑ 84 m
- 4.0 km away
R120
Easy · FernOregon
1.32 km · 20m · ↑ 9 m
- 4.0 km away
S110
Easy · FernOregon
801 m · 15m · ↑ 36 m
- 4.1 km away
S130
Easy · FernOregon
2.12 km · 45m · ↑ 150 m
- 4.3 km away
S120
Easy · FernOregon
1.54 km · 25m · ↑ 49 m
- 6.5 km away
S100
Easy · FernOregon
1.88 km · 35m · ↑ 91 m
Photos
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Reviews
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Frequently asked
How long is S400?
S400 is 16.0 km (10.0 miles) as a route. Allow roughly 5h 25m at a steady walking pace, not counting stops.
How hard is S400?
OpenTrail rates it hard. It climbs about 1089 m overall, and its steepest sustained stretches run around 15%.
Where is S400?
S400 is in Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.
Is there parking at S400?
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.