Collier Spring Trail

Mill Valley · Marin County · CA

0.6 miDistance
458 ftTotal climb
458 ftTotal descent
2,270 ftHigh point
1,878 ftLow point

Elevation profile

Collier Spring Trail is a 0.6-mile trail near Mill Valley, in Marin County, CA. It climbs 458 ft and descends 458 ft, between 1,878 ft and a high point of 2,270 ft. Mapped for hiking.

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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-21. Open the interactive map for routing, weather, and offline use.