Explore the most popular wild flowers trails in Alum Rock Park with hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers and nature lovers like you.

The lower parking lot was full, so I opted to drive back down to the neighborhood below. There is an upper parking lot that could work fine for a shorter hike.

The first half of the hike was a bit busy. It winds through little parks where people were having BBQ’s. I’ll probably come back and take advantage of that space, but it’s not like a quiet nature hike.

The second half along the upper rim trail was lovely. Not many people, and it hooked up along a ridge so you got some lovely views, including a view of the San Jose Valley.

I went in May and everything was blooming and beautiful.

Some of the signage could have been more clear. Ended up going a longer route and back tracking once or twice.

The trail map is wrong

Take the Penitencia Trail first and hook up to this trail up to Eagle Rock. There are beautiful meadows of mustard flowers carpeting the hills in Spring.

Moderate trail best visited during spring when grass in green and wild flowers are in full blossom. We parked near mineral springs area parking lot, pretty much at the end of road. This is paid parking. Once there, we crossed the bridge to get to mineral spring picinc area (towards left) and continued walking past several more picnic areas towards left. The Penetencia trail continues along the Penetencia creek on the left and at one point converts into South rim trail. This is a beautiful, shaded section almost flat until we reach switchbacks which are quite gradual. Once at the top, there are wide open views of the valley and the mountain across which has north rim trail. Until this point, the trail is almost completely shaded. We continued to walk along South rim trail until we reached a fork. We took the path towards right as they go down back. These are Sycamore switchbacks which directly overlook the parking lot and mineral springs area below. The switchbacks are fully exposed to sun with almost no shade. We felt we would have worked our muscles bit harder coming up from here instead. Once down, we just turned left to go back to the parking lot past mineral springs picnic area. We loved this area more since the the mountains were lush green with yellow wild flowers everywhere.

Alum Rock park is one of my favorite it's the first park I started exploring on my own great to bring kids & family.It is considered A moderate hike,It offers free parking,water fountains,restrooms& playgrounds for children.Take the trail to eagle rock park where you can overlook San Jose & enjoy the sunset! For those who enjoy mountainbiking alum rock park is A great place to do that too! I always bring A new or returning friend & they love it

mountain biking
3 months ago

I'm used to mountain biking in Washington so maybe I'm a little biased, but I didn't love this as a mountain biking trail. Some great views at the top, but very little technical work required, mainly just brute leg strength. It was also a little too crowded to get any good speed up without someone being in your way. Not a bad ride, but also not great.

Good uphill climb, beautiful views!

mountain biking
3 months ago

Love it up there great place to hike or mountain bike!

Parked at rustic lands (free) and took the Penitencia creek trail east through the valley floor. Then we started on the north rim trailhead as indicated on this map. When you get to Eagle rock, look out for great views of circling hawks and turkey vultures. This actually ended up being a nice scenic loop because you can get back to rustic lands easily from Eagle rock (no need to backtrack to the trailhead).

Great morning hike with enough elevation to get the heart rate up. There's lots of shade but it's never too covered up. Tons of small wildlife scrabbling about.

trail running
6 months ago

Please remember this park will be close half hour before sunset. Make sure drive your car out of the park.

trail running
8 months ago

Super fun single track when Penitencia Creek trail turns into South Rim trail. A little too much pavement and can be crowded along Penitencia Creek trail. Some of that can be avoided by taking the North Rim trail and connecting to South Rim.

My very first hike ever back in 2009. Starts off gorgeous, then the sun kicks your ass as you trail uphill lol it's a gorgeous hike with a well-earned view. Don't bring your rookie friends in this hike if you plan on making it to the top.

Fun but views are pretty steady

it a great way to get some fresh air love to run it very challenging beautiful views at top wildlife very open

10 months ago

Some easy trails. There's a playground, so its kid friendly.

11 months ago

South rim trail is closed indefinitely, don't waste your time if you are heading there.

In summer the view become wee~dy, and its kind of boring. Some up and down so it's a good walk after work for me. Park in the rustic lands spot it's free and the youth center marked as the start here is NOT free.

There is a notice on the trail head saying south rim trail is closed due to 2017 winter storm.

So nice right now. The bridges are stunning.

Wednesday, May 17, 2017

A worthy hike! Exposed enough to require head cover in heat. I love this loop. You can easily lengthen or shorten it as desired. So good. Note: mountain bikes predominate, and I've seen a rattler here as well. Best to keep your ears open for both hazards. Great hike!

Wednesday, May 17, 2017

Nice warm up walk.

Wednesday, May 17, 2017

One of my all time favorite hikes. Not too hard. Great hiking through tree shaded north slope trails. Beware: I have personally had all too close brush with a rattler here. I've also heard credible reports of mountain lion sightings on this trail. Two words: Situational Awareness.

Just did this hike and I really liked the weather loop you can connect to. Easy to talk and hike or good for beginners.

Sunday, April 30, 2017

Wow it is real beautiful here. The stream runs all the way through and it's so peaceful.

Friday, February 24, 2017

This was my 3-year olds first hike. I'm from San Diego where most hikes are desert (full sun, no trees) and so this beautiful hike with all the trees and the fact we saw deer gets this hike 5 stars! My son made it to the top. I'm so proud. He asked to be carried one time but that lasted about 10 minutes and then he wanted to walk/explore on his own.

Monday, February 06, 2017

Great views of the hills and city.
The South Rim switchback (eastmost part) is currently closed because of a landslide. Looks like you could walk over it but I just turned back as the signs recommended.
Parking is $6 for a day.

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