Serpentine Point–Colier Spring, 7 sights is a 9.6-mile out-and-back in Mount Tamalpais Watershed near Stinson Beach, CA. The route passes Colier Spring and Serpentine Point. It climbs 2,032 ft, with sections as steep as 28% grade. It scores 63/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi1,188 – 2,300 ft · steepest grade: 28%10.1 mi
Getting there
Trailhead: Old Mine Trail 37.91064, -122.61211
Nearest town Stinson Beach, CA
Directions
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Serpentine Point–Colier Spring, 7 sights
9.6 mi · ▲ 2,032 ft · 4 hr 13 min
Elevation 1,188–2,299 ft
Out & Back · Mount Tamalpais Watershed
Trailhead: Old Mine Trail · 37.91064, -122.61211
Weather Aug 3: Clear, high 92°F / low 73° · precip 0% · wind 3 mph · sunrise 6:16 AM · sunset 8:19 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start on Old Mine Trail, heading E.
- 450 ftBear left, heading E.
- 0.2 miContinue straight onto Rock Spring Trail, heading N.
- 1.5 miTurn left onto Old Railroad Grade Fire Road, heading E.
- 0.7 miTurn left onto Miller Trail, heading NE.
- 0.3 miTurn right onto Collier Spring Trail, heading W.
- 0.3 miBear right onto Northside Trail, heading N.
- 100 ftContinue straight onto Lower Northside Trail, heading NW.
- 50 ftPass Colier Spring.
- 50 ftContinue straight onto Collier Trail, heading NW.
- 50 ftTurn left onto Lower Northside Trail, heading NW.
- 0.8 miTurn left onto Lagunitas-Rock Spring Fire Road, heading W.
- 50 ftBear right onto CC Boys Trail, heading W.
- 450 ftContinue straight onto Lagoon Fire Road, heading SW.
- 0.5 miPass Serpentine Point.
- 250 ftBear right onto Kent Trail, heading NW.
- 0.4 miReach Serpentine Point, then turn around and head back the way you came.
- 0.4 miBear left, heading SE.
- 0.6 miContinue straight onto CC Boys Trail, heading SE.
- 450 ftBear left onto Lagunitas-Rock Spring Fire Road, heading S.
- 50 ftTurn right onto Lower Northside Trail, heading S.
- 0.8 miTurn right onto Collier Trail, heading SE.
- 50 ftContinue straight onto Lower Northside Trail, heading SE.
- 50 ftContinue straight onto Northside Trail, heading SE.
- 100 ftBear left onto Collier Spring Trail, heading SE.
- 0.3 miTurn left onto Miller Trail, heading SE.
- 0.3 miTurn right onto Old Railroad Grade Fire Road, heading E.
- 0.7 miTurn right onto Rock Spring Trail, heading SW.
- 1.6 miBear right onto Old Mine Trail, heading SW.
- 50 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
51% dirt49% unspecified
Weather
ClearTemperature 92°F73°
Feels like79°Precip0%Wind3 mphUV8Humidity28%
Hourly temperature
95°70°
Sunrise 6:16 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:19 PM
Tue
81°65°
Wed
67°50°
Thu
66°48°
Fri
70°47°
Sat
70°46°
Sun
62°46°
Sunset
The best sunset spot on this hike is 0.1 mi in (~3 min). Leave by 7:56 PM for the 8:19 PM sunset. Back at your car by 8:35 PM — 12 min before dark. Car visible from the viewpoint
Good to know
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Old Mine Trail Trailhead
- Bootjack Trail–Old Mine Trail, 4 sights 7.3 mi · ▲ 883 ft
- Northside Trail–Old Mine Trail, 3 sights 9 mi · ▲ 1,414 ft
- Arturo Trail–International Trail, 5 sights 9.6 mi · ▲ 1,635 ft
- Pilot Knob–Colier Spring, 8 sights 10.5 mi · ▲ 2,661 ft
- Bon Tempe Lake–Lake Lagunitas, 7 sights 11 mi · ▲ 2,542 ft
- Colier Spring–Phoenix Lake, 13 sights 15.4 mi · ▲ 3,188 ft
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