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Mountain biking trails

Upper Penitencia Creek – Penitencia (Gross) Ponds loop from Cropley

Routes

Mountain biking trails

Upper Penitencia Creek – Penitencia (Gross) Ponds loop from Cropley

Moderate

2.5

(25)

riders

Upper Penitencia Creek – Penitencia (Gross) Ponds loop from Cropley

02:18

26.7km

560m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 12, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 10.4 km for 186 m

After 11.8 km for 1.51 km

Waypoints

Start point

Train Station

Get Directions

7.47 km

Alum Rock Park

Highlight • Rest Area

Alum Rock Park is open 8am to a half-hour after sunset. This 720 acre park is home to a whole host of outdoor activities including running, hiking, equestrian sports, and …

Tip by

8.75 km

You can find free parking and restrooms by the side of the creek. From here you have the option of many different hilly but nontechnical trails up to Eagle Rock, Inspiration Point, Boccardo, or along the creek side.

Tip by

10.3 km

Todd L. Quick Trail

Highlight (Segment) • Trail

This trail can be ridden in either direction and plays out similarly no matter how you ride it. A short, switchbacky climb is rewarded with a fun twisty descent. If …

Tip by

13.7 km

Boccardo Peak

Highlight • Summit

Located in the Diablo Range at 1,909 feet in elevation, Boccardo Peak offers sweeping views of Silicon Valley and the surrounding mountains.

Tip by

19.9 km

Alum Rock Park - Penitencia Creek Road entrance

Highlight • Rest Area

Alum Rock Park is one of California’s oldest municipal parks, it was founded in 1872.

This is the main entrance to the park with parking and facilities.

Tip by

20.9 km

Penitencia (Gross) Ponds

Highlight • Structure

Visitors to the Penitencia Creek Trail can view the water-filled Dr. Robert W. Gross Recharge Ponds. These ponds, part of a system designed to recharge underground aquifers, are crucial for …

Tip by

21.2 km

Penitencia (Gross) Ponds

Lake

21.5 km

Piedmont Ponds

Lake

26.7 km

End point

Train Station

Way Types & Surfaces

Way Types

11.9 km

6.62 km

6.56 km

1.55 km

< 100 m

Surfaces

11.3 km

8.78 km

3.52 km

1.89 km

742 m

493 m

Elevation

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

Weather

Tuesday 7 July

20°C

12°C

0 %

Additional weather tips

Max wind speed: 20.0 km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

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

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Upper Penitencia Creek – Penitencia (Gross) Ponds loop from Cropley

Alum Rock Park