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Rocky Ridge and Alpine Lake

Intermediate/Difficult
 3.8 (4) RECOMMENDED ROUTE

A path less traveled, this one rewards with diverse terrain and top-notch scenery.


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Map Key

4.9

Miles

7.9

KM

87%

Runnable

1,258' 383 m

High

657' 200 m

Low

790' 241 m

Up

791' 241 m

Down

6%

Avg Grade (4°)

25%

Max Grade (14°)

Dogs Leashed

Features Birding · Lake · River/Creek · Views · Waterfall · Wildflowers · Wildlife

Overview

This route offers some good views, solitude, and takes the runner through a great cross-section of local flora. The first part is on a rocky fire road before you turn off onto a singletrack that travels through oak, manzanita, redwoods, lake-side scrub, and even marshes.

Need to Know

Be careful of your footing, and watch out for rattlesnakes!

Description

To reach the start of the run, park at the dam and cross it. This route could be done in either direction, but I like having the climb at the beginning to get the heart rate up.

The first mile is a constant climb on Rocky Ridge Road. This road is aptly named with a lot of loose rock and ruts. Tread carefully. At Stocking Trail, turn right and follow the trail down through oaks and manzanita, past a marsh before intersecting the Kent Trail. Veer right and follow the Kent Trail through redwoods, past Hidden Lake, and through a tunnel of huckleberry bushes. At the right time of year (fall), there are delicious berries good for snacking on.

This long descent ends at the shores of Alpine Lake, where you'll turn right to continue on the Kent Trail and head along the shore of the lake. This trail can be a bit tricky footing-wise, so be careful. There are places where there has been some erosion and there are a lot of rocks and roots in the trail. Also beware of rattlesnakes!

On the day I was tracking this trail, I nearly stepped on one, jumping over it at the last minute. If I would have had my dog with me I think it would have been a bad deal. Another reason to always keep your dog on leash! This trail intersects the Kent Fire Road at the pump station where you'll run a gradual up hill section back to the start. Cross the dam to the parking for a nice cool-down.

Flora & Fauna

Look for ospreys, which are frequently seen at these lakes.

Contacts

Shared By:

Trail Run Project Staff

Trail Ratings

  3.8 from 4 votes

#4085

Overall
  3.8 from 4 votes
5 Star
0%
4 Star
75%
3 Star
25%
2 Star
0%
1 Star
0%
Recommended Route Rankings

#590

in California

#4,085

Overall
26 Views Last Month
2,747 Since Aug 10, 2016
Intermediate/Difficult

0%
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50%
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Photos

Mt Tam seen across Bon Tempe Lake
Aug 10, 2016 near Kentfield, CA
Coming down into a potential swimming hole!
Aug 10, 2016 near Kentfield, CA
Lake Alpine seen through the trees.
Aug 10, 2016 near Kentfield, CA
Looking SE from Rocky Ridge Fire Road
Aug 10, 2016 near Kentfield, CA
Cruising through the meadow, headed to the final stretch.
Aug 10, 2016 near Kentfield, CA
Huckleberry tunnel, heading down to the shore of Alpine Lake
Aug 10, 2016 near Kentfield, CA

Weather


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Check-Ins

Apr 20, 2019
Rosemary James
4.9mi