Bon Tempe Lake–Lake Lagunitas, 7 sights is an 11-mile out-and-back in Mount Tamalpais Watershed near Stinson Beach, CA. The route passes Lake Lagunitas before reaching Bon Tempe Lake at the turnaround, 5.4 miles in. It climbs 2,542 ft, with sections as steep as 29% grade. It scores 62/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi722 – 2,300 ft · steepest grade: 29%11.4 mi
Getting there
Trailhead: Old Mine Trail 37.91064, -122.61211
Nearest town Stinson Beach, CA
Directions
AMBLEWAYwww.ambleway.com
Bon Tempe Lake–Lake Lagunitas, 7 sights
11 mi · ▲ 2,542 ft · 4 hr 56 min
Elevation 723–2,299 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 miTurn right onto Northside Trail, heading N.
- 0.5 miBear left onto Lagunitas Fire Trail, heading NE.
- 1 miPass Lake Lagunitas.
- 100 ftTurn right onto Lake Lagunitas Road, heading NW.
- 0.3 miTurn left onto Lakeview Fire Road, heading E.
- 0.5 miBear left, heading W.
- 0.1 miReach Bon Tempe Lake, then turn around and head back the way you came.
- 0.1 miBear right, heading N.
- 0.5 miTurn right onto Lake Lagunitas Road, heading NE.
- 0.3 miTurn left onto Lagunitas Fire Trail, heading W.
- 1 miBear right onto Northside Trail, heading S.
- 0.5 miTurn left onto Collier Spring Trail, heading W.
- 0.3 miTurn left onto Miller Trail, heading SE.
- 0.3 miTurn right onto Old Railroad Grade Fire Road, heading SE.
- 0.7 miTurn right onto Rock Spring Trail, heading S.
- 1.6 miBear right onto Old Mine Trail, heading S.
- 150 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
54% dirt46% 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 (~2 min). Leave by 7:57 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
- Serpentine Point–Colier Spring, 7 sights 9.6 mi · ▲ 2,032 ft
- Pilot Knob–Colier Spring, 8 sights 10.5 mi · ▲ 2,661 ft
- Colier Spring–Phoenix Lake, 13 sights 15.4 mi · ▲ 3,188 ft
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