Hiking Project Logo

blue Serpentine Loop Trail

Navigate on-trail with our free app

iOS App Store Android App Store

Trail

2.7 mile 4.4 kilometer loop
Doubletrack
Intermediate

Elevation

Ascent: 625' 191 m
Descent: -622' -190 m
High: 1,030' 314 m
Low: 552' 168 m

Grade

Avg Grade: 9% (5°)
Max Grade: 23% (13°)

Dogs

Leashed
Driving directions Take a virtual tour
Zoom in to see details
Map Key

Trail shared by Joan Pendleton

A hilly trail through the woods and grass hills of Calero County Park.

Joan Pendleton

Features Lake · Views · Wildlife

The park is open 8 a.m. to sunset. There is no fee when parking in the trailhead parking area.

Description

Serpentine Loop Trail is amidst the wooded and grass hills of Calero County Park. From the trailhead parking area, it can be reached by hiking either Pena Trail or Figueroa Trail, to their end points, where Serpentine Loop Trail starts and ends. See the descriptions for Pena Trail and Figueroa Trail. One can also get to Serpentine Loop Trail from Cottle Trail, via the Serpentine Loop Trail Connector.

This description follows a counterclockwise route around Serpentine Loop Trail.

Serpentine Loop Trail is basically flat at first as it winds around through the grass and wooded hills, headed toward Calero Reservoir. Calero Reservoir soon comes into view and so do the deer. The trail descends with the reservoir off to the right. At mile 1.2, the Serpentine Loop Trail Connector, a short 0.2 mile connector to Cottle Trail and future new trails, is reached.

Passing Serpentine Loop Trail Connector, Serpentine Loop Trail starts to ascend, steeply in places, to its high point at the 1.8-mile mark. The views are great as the trail climbs. From its high point, in the distance the Santa Cruz Mountains with Mt. Umunhum to the west and the Diablo Range to the northeast can be seen. All around nearby are views of the beautiful grass and wooded hills and valleys of Calero County Park.

From its high point, Serpentine Loop Trail descends before rolling up and down through grass and woods to end where it started, at the Pena Trail and Figueroa Trail junction.

Flora & Fauna

Wooded, primarily oak, and grass hills. Deer.

Contacts

Land Manager: Santa Clara County Parks

Rate This Trail

Rate Quality


   Clear Rating

Rate Difficulty

Share This Trail

Check In

Check-Ins

Apr 1, 2019
Ben Gremillion
Trail has a mix of mud/grass in spots, but is mostly dry (March 2019). Otherwise well-kept and popular with horseback riders. 2.7mi — 1h 30m
Apr 29, 2018
Tilman Giese
Jan 18, 2018
Joan Pendleton

Trail Ratings

  3.0 from 3 votes

#17193

Overall
  3.0 from 3 votes
5 Star
0%
4 Star
0%
3 Star
100%
2 Star
0%
1 Star
0%
Rankings

#1,999

in California

#17,193

Overall
18 Views Last Month
165 Since Jan 19, 2018
Intermediate Intermediate

0%
0%
100%
0%
0%
0%

0 Comments

Hiking Project is part of the REI Co-op family,
where a life outdoors is a life well lived.

Shop REI Hiking