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United States
California
Marin County
Fairfax

Bon Tempe Lake & Dam loop from Fairfax

Moderate

4.9

(3795)

11,038

runners

Bon Tempe Lake & Dam loop from Fairfax

01:30

12.2km

250m

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 9, 2026

Waypoints

A

Start point

Parking

Get Directions

1

2.62 km

Elliot Trail, off Shaver Grade 🌳

Highlight • Trail

Short hiking trail parallel to the Shaver Grade Fireroad.

Tip by

2

2.94 km

Spur trail connecting to Alex Forman Trail more gradually than going up on Shaver Grade

Tip by

3

3.20 km

Sky Oaks is a paved road into the Bon Tempe/Alpine Lake basin. If hiking up from Shaver Grade, it is nicer to get there via Alex Forman Trail, which it mirrors in just a few feet distance.

Tip by

4

4.24 km

Bon Tempe Lake & Dam

Highlight • Lake

Wide earthen dam with a great gravel trail crossing. From the top of this dam excellent views of the Bon Tempe Lake, and down across Alpine Lake at a lower elevation.

Tip by

5

6.92 km

Covered shelter hut, picnic tables, restroom, and parking.

Tip by

B

12.2 km

End point

Parking

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Way Types & Surfaces

Way Types

9.00 km

1.39 km

961 m

797 m

Surfaces

6.54 km

2.71 km

1.39 km

797 m

613 m

103 m

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Elevation

Elevation

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Weather

Powered by Foreca

Today

Saturday 27 June

23°C

13°C

20 %

Additional weather tips

Max wind speed: 23.0 km/h

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Description

If you're looking for a refreshing, moderate jogging route that feels like a true escape, the Bon Tempe Lake & Dam loop from Fairfax is an excellent choice. This 7.6-mile (12.2 km) route features 812 feet (247 metres) of elevation gain and takes about 1 hour and 29 minutes to complete, offering a perfect blend of scenic beauty and accessible challenge. It's ideal for those seeking a peaceful, mind-clearing run with diverse landscapes.

What to expect on Bon Tempe Lake & Dam loop from Fairfax

The route unfolds as a journey through varied terrain and stunning vistas. You'll jog along gentle dirt trails, but be prepared for sections with tree roots, rocks, and steps, particularly on the winding Shadyside trail under its evergreen canopy. The dam itself provides a wide, flat gravel pathway, offering panoramic views of Bon Tempe Lake, the adjacent Alpine Lake, and Mount Tamalpais in the distance. You'll pass through tranquil forest inlets, open savannas, and even lush redwood groves. While generally easy to moderate with many gentle gradients, some slightly steeper inclines and declines add just enough effort to keep things interesting, making it a rewarding experience for most joggers.

Planning your visit

Before you head out, be aware that a day-use parking fee is typically required. About half of the trail is shaded, but the eastern "Sunnyside" section can be more exposed and warmer during summer months, so plan your timing accordingly. It's also important to note that bikes are generally not permitted on the main hiking trails encircling Bon Tempe Lake, ensuring a more serene experience for joggers and walkers.

Trail details

  • Distance: 7.6 miles (12.2 km)
  • Elevation gain: 812 feet (247 metres)
  • Difficulty: moderate
  • Estimated time: 1 hours and 29 minutes

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