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Round Top Loop Trail – Volcanic Trail loop from Sibley Volcanic Regional Preserve

Routes

Running trails & routes

United States

California

Contra Costa County

Round Top Loop Trail – Volcanic Trail loop from Sibley Volcanic Regional Preserve

Moderate

3.2

(24)

runners

Round Top Loop Trail – Volcanic Trail loop from Sibley Volcanic Regional Preserve

01:07

8.69km

240m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 16, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Sibley Volcanic Regional Preserve

Waypoints

Start point

Parking

Get Directions

2.35 km

Volcano Quarry View

Highlight • Viewpoint

2.58 km

Round Top Loop - Labyrinth Overlook

Highlight • Viewpoint

A free standing wooden bench marks a spectacular overlook with views to the Labyrinth to the North, and the Orinda-Lafayette area to the East. A partial view cuts across Skyline Northwest to the SF Bay.

Tip by

3.62 km

Round Top Loop Trail

Highlight (Segment) • Trail

This beautiful, wide forest trail skirts around the northwest flank of Round Top. While the entire loop around the mountain is open for hiking, this section is the only part allowed for cycling.

Tip by

6.17 km

Views over the old quarry

Highlight • Viewpoint

Sunset is special here

Tip by

6.64 km

Volcanic Trail

Highlight (Segment) • Trail

This trail leads up to 1,634-foot Volcanic Peak. You can also bike to the summit of nearby Round Top, but the access road there is paved, so it's not as suited to a mountain bike.

Tip by

8.69 km

End point

Parking

Way Types & Surfaces

Way Types

4.83 km

3.68 km

162 m

Surfaces

4.27 km

3.23 km

1.18 km

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Monday 18 May

26°C

16°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Round Top Loop Trail – Volcanic Trail loop from Sibley Volcanic Regional Preserve

Volcano Quarry View

Round Top Loop - Labyrinth Overlook

Round Top Loop Trail

Views over the old quarry

Volcanic Trail

Nearby routes

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