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Routes
Mountain biking trails
United States
California
Santa Clara County

Jim Donnelly Trail – Wilson Peak loop from Gilroy

Routes
Mountain biking trails
United States
California
Santa Clara County

Jim Donnelly Trail – Wilson Peak loop from Gilroy

Expert

15

riders

Jim Donnelly Trail – Wilson Peak loop from Gilroy

04:27

40.0km

1,270m

Expert mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: October 22, 2025

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Waypoints

A

Start point

Parking

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1

3.81 km

Jim Donnelly Trail

Highlight (Segment) • Trail

Jim Donnelly Trail (JDT) connects Hunting Hollow to Steer Ridge Road. Depending on the direction of travel you can look forward to a long uphill on smooth singletrack or a fun and flowy downhill.

Tip by

2

7.76 km

Wilson Peak

Highlight • Summit

Wilson Peak (a bit up the hill from this point on the trail) is the highest summit in the Henry W. Coe State Park. It stands at 2,648 feet and offers great views of the surrounding wild area.

Tip by

3

19.0 km

Wood Duck Pond

Highlight • Lake

Immediately below Pacheco Falls Trail is Wood Duck Pond, an attractive though small wetland refuge.

Tip by

4

36.8 km

Gilroy Hot Springs Historic Site

Highlight • Historical Site

The road to get here is a good ride and normally quiet. You aren't supposed to ride any further than the junction with the Coit Road.

The old hot springs …

Tip by

B

40.0 km

End point

Parking

Way Types & Surfaces

Way Types

17.6 km

13.1 km

9.15 km

155 m

Surfaces

21.0 km

15.8 km

3.06 km

155 m

< 100 m

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Elevation

Elevation

Highest point (790 m)

Lowest point (260 m)

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Monday 3 November

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

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How to understand each route’s difficulty level

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Expert
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How to understand each route’s difficulty level

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Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
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Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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Jim Donnelly Trail loop from Gilroy

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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
Expert

10

Jim Donnelly Trail loop from Gilroy

04:04h

34.8km

1,270m

How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
Expert

15

Jim Donnelly Trail – Wilson Peak loop from Gilroy

04:27h

40.0km

1,270m

How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
Intermediate

13

Jim Donnelly Trail – Wilson Peak loop from Gilroy

02:12h

20.1km

630m

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