Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Running Trails
United States
California
Santa Clara County

Sierra Azul Open Space Preserve

The best running trails in Sierra Azul Open Space Preserve

4.7

(16)

2,228

runners

138

runs

Jogging in Sierra Azul Open Space Preserve offers a rugged wilderness experience across more than 19,000 acres in the Santa Cruz Mountains. The preserve features an extensive network of trails traversing diverse landscapes, including serpentine grasslands, chaparral, dense bay tree stands, and shaded oak woodlands. Significant elevation changes provide varied terrain, from wooded creek canyons to open meadows, with prominent peaks offering expansive views. This region is ideal for runners seeking a dynamic outdoor environment with a mix of moderate…

Last updated: May 10, 2026

7

runners

#1.

Kennedy Trail to Mount El Sombroso

19.1km

02:25

770m

770m

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Navigate with device

Send to Phone

Save

Hard

3

runners

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
guide_signup
Let us show you the way with the komoot mobile app
With aΒ free komoot account, you can easily find, customize, and navigate endless outdoor adventures.

Sign up for free

1

runners

8.12km

01:04

220m

220m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

7.66km

00:56

300m

300m

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
Sign up for free to see 134 more runs in Sierra Azul Open Space Preserve.

Get access to more routes and recommendations from other explorers.

Sign up for free

Already have an account?

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

Start today with a free account

Your next adventure awaits.

Login or Signup

Popular around Sierra Azul Open Space Preserve

Hiking in Sierra Azul Open Space Preserve

MTB Trails in Sierra Azul Open Space Preserve

Road Cycling Routes in Sierra Azul Open Space Preserve

Cycling in Sierra Azul Open Space Preserve

Gravel biking in Sierra Azul Open Space Preserve

Tips from the Community

Clive Alexander-Clarke
September 6, 2025, Mount Umunhum

If you make the summit a fantastic view awaits. Be aware the road goes down then up to the road about then up again to the summit!…

0

0

This is the highest point in the Sierra Azul Open Space Preserve. From here, you can enjoy views of the nearby mountains, with the possibility of spotting Mount Umunhum and Mount Thayer. The ascent involves a consistent elevation gain, providing a steady and rewarding experience.

2

0

Hidalgo Cemetery Trail starts off as a fire road, but slowly transitions into an actual trail as you continue. The trail can get pretty muddy when it rains, so wear appropriate shoes, considering a good bit of the trail is downhill on the way in.

0

0

This spot presents awe-inspiring sweeping views of the surrounding region, encompassing the San Jose area. It serves as an excellent location for birdwatchers, as it boasts a diverse array of bird species, including the Northern Flicker and California Scrub-Jay.

0

0

Tyler Sanders
November 30, 2023, Mount Umunhum

Mount Umunhum is one of the highest peaks in the mountain range at 3,486 feet. From this point, you can enjoy a panoramic view of the ocean and Sierra Nevada.

0

0

Guadalupe Creek Overlook is a scenic viewpoint in the Sierra Azul Open Space Preserve. No matter if you're on your way to Mount Umunhum or if it's your final destination, make sure to include a stop and enjoy the view over the valley.

0

0

This is the highest point in the Sierra Azul Open Space Preserve. From here, you can enjoy views of the nearby mountains, with the possibility of spotting Mount Umunhum and Mount Thayer. The ascent involves a consistent elevation gain, providing a steady and rewarding hiking experience.

0

0

Traveler
March 7, 2019, Mount Umunhum

Opened in 2018, on the top of Sierra Azul Open Space preserve the Vista points and the former radar tower on the summit of Mt Umunhum provide stunning 360Β° views

0

0

Frequently Asked Questions

How many running routes are available in Sierra Azul Open Space Preserve?

Sierra Azul Open Space Preserve offers a vast network of trails, with over 130 running routes available on komoot. These routes cater to various fitness levels, from moderate paths to very steep sections, ensuring a dynamic outdoor experience.

Are there any easy or beginner-friendly running trails in Sierra Azul Open Space Preserve?

Yes, the preserve features a variety of trails suitable for different abilities. You'll find approximately 15 easy routes, perfect for those new to trail running or looking for a less strenuous jog. While many trails have significant elevation changes, there are options that provide a more gradual experience through the diverse landscapes.

What kind of scenic views can I expect while jogging in Sierra Azul Open Space Preserve?

Jogging in Sierra Azul offers breathtaking panoramic views. From prominent peaks like Mount Umunhum, Mount El Sombroso, and Bald Mountain, you can see across the Santa Clara Valley, the wider Bay Area, and even the Inner and Outer Coast Ranges. The trails also wind through diverse landscapes including serpentine grasslands, dense oak woodlands, and shaded creek canyons, providing varied natural beauty.

Are there any specific landmarks or attractions to see along the running routes?

Yes, several points of interest enhance the running experience. The summit of Mount Umunhum features a unique historical Cold War-era radar tower with interpretive displays. Other notable highlights include the Mount Umunhum Road (climb), Kennedy Road Sierra Azul Trailhead, and the Priest Rock Trail, all offering unique perspectives of the preserve's rugged beauty.

What do other runners enjoy most about the trails in Sierra Azul Open Space Preserve?

The running routes in Sierra Azul Open Space Preserve are highly rated by the komoot community, with an average score of 4.4 stars. Runners often praise the challenging climbs, rewarding panoramic views, and the rugged wilderness experience. Many appreciate the variety of terrain, from shaded woodlands to open grasslands, and the opportunity for both quick hill workouts and longer adventures.

Are there any circular running routes available?

Yes, Sierra Azul Open Space Preserve offers several loop options for runners. For example, the Wood Road and Hidalgo Cemetery Trail Loop is a moderate 6.8 km route that provides a good circular experience through varied terrain.

Can I bring my dog on the running trails in Sierra Azul Open Space Preserve?

Yes, dogs are generally permitted on trails in Sierra Azul Open Space Preserve, but they must be kept on a leash at all times. It's always a good idea to check the Midpeninsula Regional Open Space District's official website for any specific trail restrictions or updates regarding pets before your visit.

What is the best season for running in Sierra Azul Open Space Preserve?

The preserve offers good running conditions year-round, but each season has its unique characteristics. Spring brings lush greenery and wildflowers, while fall offers cooler temperatures ideal for longer runs. Summers can be warm, so early morning or late afternoon runs are recommended. Winters are generally mild, though some trails might be muddy after heavy rains.

Are there any challenging routes for experienced runners?

Absolutely. Sierra Azul is known for its significant elevation changes and rugged terrain, making it ideal for experienced runners seeking a challenge. Routes like Kennedy Trail to Mount El Sombroso, an 19.1 km difficult path with substantial ascent, provide a rigorous workout and rewarding views.

What kind of wildlife might I encounter on the trails?

Sierra Azul Open Space Preserve is home to abundant wildlife. Runners might spot deer, bobcats, and coyotes. Mountain lions also inhabit the preserve, so it's important to be aware of your surroundings and follow safety guidelines. Enjoy the chance to observe nature, but always maintain a respectful distance.

Is public transport available to access the running trails?

Public transport options directly to the trailheads of Sierra Azul Open Space Preserve are limited. Most visitors access the preserve by car. It's advisable to check local transit authority websites for any bus routes that might serve the general area, but direct access to trailheads often requires personal transportation.

Where can I find parking for the running trails?

Parking is available at various trailheads throughout the preserve. Popular access points include the Bald Mountain parking area, which serves the Mount Umunhum Trail, and the Kennedy Road Trailhead. Always check signage for specific parking regulations and hours, as some areas may have limited capacity.

Are there any routes that offer a good hill workout?

Yes, Sierra Azul Open Space Preserve is excellent for hill workouts due to its varied topography and steep sections. The Bald Mountain Trail, for instance, offers a good climb through grassy hillsides, providing a solid challenge for building endurance and strength.

Most popular routes in Sierra Azul Open Space Preserve

Dog-friendly hikes in Sierra Azul Open Space Preserve

Most popular attractions in Sierra Azul Open Space Preserve

Places to see

Store rating

Get inspired with the komoot mobile app

With aΒ free komoot account, you can easily find, customize, and navigate endless outdoor adventures.

or

Join komoot Now

Store rating

Explore more

Browse the best Running Trails & Routes in other regions.

Santa Cruz MountainsSan JosePalo AltoBear Creek Redwoods Open Space Preserve (Closed Area)Ranch Canada Del Oro Open Space Preserve (Closed Areas)Sanborn County ParkAlmaden Quicksilver County ParkSaratoga Gap Open Space PreserveSaratoga Gap Open Space Preserve (Closed Areas)Upper Stevens Creek County ParkMonte Bello Open Space Preserve (Closed Area)Joseph D. Grant County ParkRancho Canada Del Oro Open Space PreserveMount Chual Open Space Preserve (Closed Area)Uvas Canyon County ParkHenry Coe State ParkEl Sereno Open Space Preserve (Closed Areas)Monte Bello Open Space PreserveRancho Canada Del Oro Open Space Preserve - Restricted AreaLittle Uvas Open Space Preserve (Restricted Area)El Sereno Open Space PreserveLexington Reservoir County Park (Closed Area)Foothills Open Space PreserveLos GatosCupertinoMΓ‘yyan 'OoyΓ‘kma – Coyote Ridge Open Space PreservePicchetti Ranch Open Space PreserveStevens Creek County ParkFelton Station Open Space Preserve (Closed)Bear Creek Redwoods Open Space PreserveCoyote Lake - Harvey Bear Ranch County ParkMountain ViewCoyote Valley Open Space PreserveSanta Teresa County ParkEd R. Levin County ParkFremont Older Open Space PreserveSierra Azul Open Space Preserve (Closed Areas)Anderson Lake County ParkCalero County ParkMilpitasCoyote Ridge Open Space PreserveGilroySt. Joseph'S Hill Open Space PreserveUvas Reservoir County ParkLexington HillsSaratogaMount Madonna County ParkLexington Reservoir County ParkStevens Creek Shoreline Nature Study Area Open Space PreserveUpper Uvas Creek Open Space Preserve (Closed Area)Los Trancos Open Space PreserveSunnyvaleRancho San Antonio County ParkLos Altos HillsStanfordSan MartinMonte SerenoChesbro Reservoir County ParkLoyolaFruitdaleRancho San Antonio Open Space PreserveLos AltosSierra Vista Open Space PreserveSanta ClaraMorgan HillAlum RockEast FoothillsCampbellBurbankEl Toro Open Space PreserveCambrian Park

Nearby adventure guides

Things to Do in Sierra Azul Open Space Preserve (Closed Areas)

background

Get ready to conquer new peaks

Sign up for Free

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

Β© komoot GmbH

Privacy Policy