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Alder Lake Trail

Easy · Fern

Siuslaw National Forest, Oregon

Directions

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0.9 km0.6 mi

Distance

6 m20 ft

Elevation gain

15m

Est. time

Loop

Route type

What to expect on this trail

  • Natural surface
  • Gently graded
  • Hiking
  • Running
How these were worked out
Natural surfacerecorded
OpenStreetMap records the surface of this trail as "ground". Source: OpenStreetMap, high confidence.
Gently gradedestimated
Nine tenths of this trail is at or below a 5.5% grade, so the climbing is easy going throughout. Source: DEM terrain profile, low 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.

Fern's Friendly Walk A gentle wander — great for kids, dogs, and wildflower stops.

About this trail

Alder Lake Trail is a 0.9 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
6 m
High point
35 m
90th percentile grade
5.5%
35 m32 m28 m0 m425 m850 m

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

Bike access unknown

Legal access

Confirm before riding

No authoritative or explicit bicycle-access rule is recorded for this trail.

Estimated MTB suitability

Moderate

53% confidence - score 30/100

  • - Terrain: 5.5% 90th-percentile grade and 7 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

Trails nearby

Other routes within about 15 km.

Photos

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Reviews

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Frequently asked

How long is Alder Lake Trail?

Alder Lake Trail is 0.9 km (0.6 miles) as a loop. Allow roughly 15m at a steady walking pace, not counting stops.

How hard is Alder Lake Trail?

OpenTrail rates it easy. It climbs about 6 m overall, and its steepest sustained stretches run around 6%.

Where is Alder Lake Trail?

Alder Lake Trail is in Siuslaw National Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.

Is there parking at Alder Lake Trail?

One mapped parking area sits within 1.5 km of the route. Parking comes from OpenStreetMap, so check the signage when you arrive.

Trail data last updated August 2, 2026 · terrain computed July 30, 2026