OpenTrail

Vivian Lake Trail #3662

Hard · Ivy

Diamond Peak Wilderness, Oregon

Directions

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9.1 km5.7 mi

Distance

210 m689 ft

Elevation gain

2h 25m

Est. time

Route

Route type

What to expect on this trail

  • Natural surface
  • Steep
  • Rolling
  • Hiking
How these were worked out
Natural surfacerecorded
OpenStreetMap records the surface of this trail as "ground". Source: OpenStreetMap, high confidence.
Steepestimated
Nine tenths of this trail is at or below a 18.5% grade, and its steepest climb reaches 23.5%. Source: DEM terrain profile, high confidence.
Rollingestimated
The grade varies by 10.7 percentage points along the route rather than climbing steadily. 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

Vivian Lake Trail #3662 is a 9.1 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
553 m
High point
1837 m
90th percentile grade
18.5%
1837 m1561 m1284 m0 m4.4 km8.9 km

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

Difficult

53% confidence - score 59/100

  • - Terrain: 18.5% 90th-percentile grade and 23 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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Frequently asked

How long is Vivian Lake Trail #3662?

Vivian Lake Trail #3662 is 9.1 km (5.7 miles) as a route. Allow roughly 2h 25m at a steady walking pace, not counting stops.

How hard is Vivian Lake Trail #3662?

OpenTrail rates it hard. It climbs about 210 m overall, and its steepest sustained stretches run around 19%.

Where is Vivian Lake Trail #3662?

Vivian Lake Trail #3662 is in Diamond Peak Wilderness, Oregon. The map on this page shows the full route, where it starts, and any mapped parking nearby.

Is there parking at Vivian Lake Trail #3662?

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.

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