Alum Rock Park

Home
United States
San Jose, CA
Alum Rock Park

Directions Website

Alum Rock Park was founded in 1872 and is one of California’s oldest municipal parks. bit.ly/ARP150

Hours: 8 a.m. to half-hour after sunset.

Parking lots will close to vehicle entry at 8:00 p.m. Acreage: 720

Council District: 5

Contact Information:
Park Operations & Ranger Staff: 408-259-5477
Permits & Reservations: 408-794-7275

08/27/2026

Alum Rock Park will be closed tomorrow, August 28 due to high fire danger.

The closure will remain in effect until conditions improve. Please do not enter the park while it is closed.

For updates and more information, visit bit.ly/AlumRockParkInfo.

07/31/2026

Based on the current fire weather readings, Alum Rock Park will be under restricted use on Friday, July 31 through Monday, August 3.

During restricted use, the park is open to the public but open flames, BBQ’s, fires of any type, and smoking are prohibited.

For more information, please visit bit.ly/AlumRockParkInfo.

07/01/2026

Meet the outstanding volunteers helping keep your parks safe, beautiful, and thriving.

This Volunteer Spotlight celebrates two community stewards at Alum Rock Park: Fred, whose independent trail work helps create safer, more enjoyable hikes, and the Alum Rock Park Trail Crew, a dedicated group of volunteers who have been maintaining trails and restoring habitat since 2010.

Every hour volunteered helps protect one of San José's oldest and most cherished parks. Thank you to all of our volunteers for making a lasting impact. 💚

Interested in getting involved? Visit sjparksandrec.eventbrite.com to find the next opportunity!

06/12/2026

Based on the current fire weather readings, Alum Rock Park will be under restricted use on Saturday, June 13 through Sunday, June 14.

During restricted use, the park is open to the public but open flames, BBQ’s, fires of any type, and smoking are prohibited.

For more information, please visit bit.ly/AlumRockParkInfo.

04/03/2026

Park Ranger report: one bobcat, zero worries. As stewards of our parks, we call that a tree-mendous sign of a great spring ahead! 🌳

02/16/2026

Due to falling rocks and continued rain in the forecast, Park Rangers have temporarily closed Alum Rock Park to vehicle traffic for safety.

Local access remains open for neighbors.

We’ll continue to monitor conditions and will share updates as soon as vehicle access can safely reopen.

01/12/2026

Mountain lions are active in Alum Rock Park. Please stay on marked trails and follow posted signage.

Mountain lions are a protected species and an important part of our ecosystem. While seeing one can be exciting, always observe from a distance and never approach wildlife.

Address

15350 Penitencia Creek Road
San Jose, CA
95127

Website

http://bit.ly/AlumRockParkInfo

Alerts

Be the first to know and let us send you an email when Alum Rock Park posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Want your organization to be the top-listed government service in San Jose?