OpenTrail

Pumice Flat Trail

Moderate · Ace

Crater Lake National Park, Oregon

Directions

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4.7 km2.9 mi

Distance

137 m449 ft

Elevation gain

1h 15m

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 6.1% grade, so the climbing is easy going throughout. 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.

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

About this trail

Pumice Flat Trail is a 4.7 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
1913 m
90th percentile grade
6.1%
1913 m1846 m1779 m0 m2.3 km4.6 km

Bike access & suitability

Legal permission and physical difficulty are evaluated separately.

Bike access unknown

Legal access

Confirm before riding

Estimated MTB suitability

Easy

35% confidence - score 15/100

  • - Terrain: 6.1% 90th-percentile grade and 29 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

Trails nearby

Other routes within about 15 km.

Photos

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Frequently asked

How long is Pumice Flat Trail?

Pumice Flat Trail is 4.7 km (2.9 miles) as a route. Allow roughly 1h 15m at a steady walking pace, not counting stops.

How hard is Pumice Flat Trail?

OpenTrail rates it moderate. It climbs about 137 m overall, and its steepest sustained stretches run around 6%.

Where is Pumice Flat Trail?

Pumice Flat Trail is in Crater Lake National Park, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.

Is there parking at Pumice Flat 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.

Are dogs allowed on Pumice Flat Trail?

No — Pumice Flat Trail is mapped as not allowing dogs.

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