OpenTrail

Upper Gnat Creek Trail

Moderate · Ace

Clatsop State Forest, Oregon

Directions

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3.6 km2.3 mi

Distance

153 m502 ft

Elevation gain

1h 5m

Est. time

Route

Route type

What to expect on this trail

  • Natural surface
  • Steep
  • Hiking
  • Biking
How these were worked out
Natural surfacerecorded
OpenStreetMap records the surface of this trail as "unpaved". Source: OpenStreetMap, high confidence.
Steepestimated
Nine tenths of this trail is at or below a 16.0% grade, and its steepest climb reaches 20.2%. Source: DEM terrain profile, moderate confidence.

Biking is listed because the access rules record an explicit permission — see the bike section below for its authority. It is never inferred from the terrain.

Ace's Active Trek A real workout with honest climbing — pack water and snacks.

About this trail

Upper Gnat Creek Trail is a 3.6 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
23 m
High point
219 m
90th percentile grade
16.0%
219 m154 m89 m0 m1.8 km3.5 km

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

Bikes allowed

Legal access

allowed

Every imported segment carries an explicit bicycle permission.

Estimated MTB suitability

Difficult

53% confidence - score 55/100

  • - Terrain: 16.0% 90th-percentile grade and 42 m climbing per km.
  • - Surface: unpaved.

Source: Explicit OpenStreetMap access tags - OpenStreetMap contributors - checked Aug 2, 2026 - rules v2

View access evidence

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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Frequently asked

How long is Upper Gnat Creek Trail?

Upper Gnat Creek Trail is 3.6 km (2.3 miles) as a route. Allow roughly 1h 5m at a steady walking pace, not counting stops.

How hard is Upper Gnat Creek Trail?

OpenTrail rates it moderate. It climbs about 153 m overall, and its steepest sustained stretches run around 16%.

Where is Upper Gnat Creek Trail?

Upper Gnat Creek Trail is in Clatsop State Forest, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.

Is there parking at Upper Gnat Creek Trail?

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 Upper Gnat Creek Trail?

Bicycles are permitted, according to OpenStreetMap contributors. Legal access and how rideable the surface actually is are tracked separately on this page.

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