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Alum Rock Park

4.7 ★★★★★ 3,599 Google reviews · Running trail in San Jose, California · Posted hours

Runner's snapshot

Surface
Not reported
Distance
Not reported
Shape
Not reported
Shade
Tree cover
Access
Posted hours

Confirmed from Alum Rock Park's own listing, the park or land manager's website, and runner reviews. Blank cells mean we could not verify that fact — we would rather say "not reported" than invent one. There is no Easy / Moderate / Hard rating on this page on purpose: a one-word difficulty score tells you nothing about whether a trail suits your run. Surface, distance, shade and hours do.

ShadedScenicStroller / ADAFlat & fastHillyRestroomsTrailhead parkingMile markersQuiet

Spacious park featuring hiking & biking trails, mineral springs & several picnic areas.

What runners say about Alum Rock Park

Pulled from public reviews of this trail (3,599 of them) — the things people bring up again and again, in their own words. Nothing here is written by us.

well-maintained 9 mentions

“The park offers stunning scenery, well-maintained trails, and a peaceful atmosphere that makes it perfect for everything from a quick walk to a full-day hike.”

🏞️ beautiful scenery 16 mentions

“Alum Rock Park in San Jose is a beautiful and scenic park with well-marked trails and lots of trees and hence a shaded path as you hike.”

🌳 shaded & cool 5 mentions

“Easy-going, family-friendly stroll along a shady canyon & burbling stream, with lots of steeper trail options alongside for further adventure.”

🪧 well-marked 2 mentions

“Alum Rock Park in San Jose is a beautiful and scenic park with well-marked trails and lots of trees and hence a shaded path as you hike.”

🌾 quiet & peaceful 5 mentions

“The park offers stunning scenery, well-maintained trails, and a peaceful atmosphere that makes it perfect for everything from a quick walk to a full-day hike.”

Very accessible Nature area that is close to but feels far from city streets. Easy-going, family-friendly stroll along a shady canyon & burbling stream, with lots of steeper trail options alongside for further adventure. Plenty of parking deeper into the canyon. Lots of reservable picnic areas, & restrooms.

★★★★★ — Kaliador18 , Mar 2025

A Beautiful Natural Escape Right in San Jose! Alum Rock Park is a hidden gem for nature lovers and hikers in the heart of San Jose. The park offers stunning scenery, well-maintained trails, and a peaceful atmosphere that makes it perfect for everything from a quick walk to a full-day hike.

★★★★★ — Hari , May 2025

Alum Rock Park is such a beautiful place to explore. The scenery is stunning, with plenty of hiking trails for all levels, from easy walks to more challenging climbs. I really enjoy how peaceful and green it feels, and there’s so much wildlife to see along the way.

★★★★★ — Aga , Jan 2026

This is a very wonderful park. It covers hiking routes from simple to challenging. There is beautiful scenery along the way, whether simple or challenging. The place we climb most often is Eagle Rock. You can frequently see many eagles circling in the sky when the weather is good.

★★★★★ — Wl , Feb 2025

Excerpts from public Google reviews. Read all 3,599 reviews →

Trail conditions & character

What this trail is actually like underfoot and overhead, taken from its own listing and from reviews. Each one links to every other trail with the same character. Busy or quiet is reported as a plain fact, not a plus or a minus — a runner heading out alone at dawn often wants company on the path, and someone running intervals wants an empty one.

🏞️ Scenic views 23 mentions

“Alum Rock Park in San Jose is a beautiful and scenic park with well-marked trails and lots of trees and hence a shaded path as you hike.”

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🅿️ Trailhead parking 16 mentions

“Parking is convenient and well-organized, with spots available near key areas, though it can fill up on busy days.”

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🌳 Shaded / tree cover 5 mentions

“Easy-going, family-friendly stroll along a shady canyon & burbling stream, with lots of steeper trail options alongside for further adventure.”

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Stroller / ADA accessible 5 mentions

“Even better, there’s no charge to get in, making it an easy and accessible escape.”

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⛰️ Hills / elevation 4 mentions

“The views from the top of the Eagle Rock trail are worth the climb!”

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🚻 Restrooms 4 mentions

“There are restrooms, picnic areas, and signage to help guide you through the trail network.”

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🤫 Quiet / uncrowded 4 mentions

“The park offers stunning scenery, well-maintained trails, and a peaceful atmosphere that makes it perfect for everything from a quick walk to a full-day hike.”

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Flat & fast 2 mentions

“With multiple trails to choose from, you can easily tailor your adventure to your family's skill level and interests.”

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📏 Mile markers 2 mentions

“Alum Rock Park in San Jose is a beautiful and scenic park with well-marked trails and lots of trees and hence a shaded path as you hike.”

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Plan your run at Alum Rock Park

The practical stuff

  • AccessPosted hours — posted hours below; park gates sometimes close earlier than the listing says
  • DistanceNot reported. Trail systems often quote total path mileage rather than a single loop, so measure the route you actually want before you drive out.
  • ShadeRunners describe real tree cover here — it makes a summer afternoon workable
  • At the trailheadparking, restrooms — reported by runners
  • Stroller / wheelchairReported as smooth and step-free enough for a running stroller or a chair.
  • Websitesanjoseca.gov
  • Phone+1 408-259-5477

Hours

Monday 8 am–5 pm
Tuesday 8 am–5 pm
Wednesday 8 am–5 pm
Thursday 8 am–5 pm
Friday 8 am–5 pm
Saturday 8 am–5 pm
Sunday 8 am–5 pm

Posted hours for the park or trailhead. Gates and parking lots often close earlier than the trail itself, and seasonal hours change — worth a check before a pre-dawn or after-dark run.

Where to find Alum Rock Park

15350 Penitencia Creek Rd, San Jose, CA 95127

Get directions

Running trails near San Jose

Other trails within easy driving distance — useful when this one is flooded, gated, or just not the run you had in mind today.

Penitencia Creek Trail

4.2 ★★★★☆ 17 reviews

San Jose, CA

Shaded

under a mile away

Eagle Rock

4.7 ★★★★★ 187 reviews

San Jose, CA

4 miLoopLitScenic

Popular park featuring a hiking trail with scenic views of San Jose.

under a mile away

Penitencia Creek Trailhead - Noble Ave.

4.7 ★★★★★ 15 reviews

San Jose, CA

under a mile away

Inspiration Point

4.6 ★★★★★ 167 reviews

San Jose, CA

ShadedScenic

Spacious park with hiking trails and views of the surrounding area.

under a mile away

Sierra Vista Open Space Preserve

4.8 ★★★★★ 3,070 reviews

San Jose, CA

9 miScenic

Nature preserve with hiking/biking/equestrian trails through varied landscapes with valley views.

1.6 miles away

Boccardo Loop Trail

4.7 ★★★★★ 186 reviews

San Jose, CA

1 miLoopScenic

Open to hikers, bikers & equestrians, the 2.7-mile stretch passes though grasslands & oak woodlands.

1.6 miles away

All running trails in San Jose, CA →

Nearby towns

Listing verified July 2026 from public records, the trail's own website and runner reviews. Trail conditions change — paths flood, gates close at dusk, and shaded woods stay muddy for days after rain. Something out of date? Report a correction. Manage this trail? Send us the details — it is free.