Las Trampas and Rocky Ridge Loop is a 14.8 mile moderately trafficked loop trail located near Alamo, California that offers the chance to see wildlife. The trail is rated as difficult and primarily used for hiking, trail running, nature trips, and birding. Dogs are also able to use this trail but must be kept on leash.

Length14.8 miElevation gain3,740 ftRoute typeLoop
Dogs on leashHikingNature tripsBird watchingRunningViewsWildlife
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Reviews (46)
Photos (3,838)
Activities (43)
Completed (239)
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Wenting Li
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Hiking
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DrJ atHMHBI
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Hiking

I didn’t do this particular loop but highly recommend this trail . Don’t try it after rain or during the summer afternoons

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Ariel Falcon
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Hiking

Second time, and wasn’t any easier lol but truly appreciate it and worth every minute.

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Janiene Langford
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Hiking

I'm temporarily giving this hike four stars, but of no fault of it's own! We tried to take this on after a night of steady rain and it was still raining in the morning when we arrived. The trails were way too muddy/slick to make safe progress on the uphills and downhills, so we will try this again when the trail is dry! We did see a newt and a flock of wild turkeys in the 2.5 miles we were able to hike, though. I look forward to trying this again.

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Ariel Falcon
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HikingGreat!

This trail has it all up and down rock climbing everything!!!! Not easy at all but truly amazing and worth the work!

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Carlos Carbajal
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Hiking

HARD!!!

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Katie Douglass
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Hiking

Pros: - Excellent workout with rolling climbs & descents - Nice views to the north & east and unusual ones for those of us who typically hike the peninsula - Intricate trail network so many options to adapt your route - Water & restrooms available ~halfway (in theory - I didn't check) - Lots of cows on and near the trail Cons: - Brutal on a hot day - we cut the middle climb off our route b/c it was getting miserable. It's fairly exposed with some tough climbs. - Steep up & down - had to take it slow in a few parts. - I found being so close to cows and sharing the trail a bit uncomfortable

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Rachel Mundaden
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Hiking

Very difficult! Didn’t do the whole loop but did a lot still. Wonderful golden poppies visible this time of year all over the hill sides. My legs are in so much pain though going to uphill!

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Grace Li
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Hiking

A Pleasant hike.

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Melanie Cox
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Hiking

I hike here almost everyday! So beautiful

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Jeff Francis
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Hiking

This was a mammoth of a hike. The fact that it was raining and muddy and then freezing and windy aaaand raining at the top of the ridge... not helpful haha. If you want a gooood loooong hike though, this ones for you. At the loop we went county clockwise id say that was a good choice. The fog made for some cool pictures and views, but on a nice clear day, i cant even imagine. We saw 27 or 28 newts on the trails so watch your step!! The ups and downs on parts of this trail are no joke. Bring snacks and extra water for sure. On a warm day id have had no problem going through a half gallon. Now its time for some pizza. Enjoy the hike!

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Jeff V
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Hiking

The journey to the trailhead is a fun drive through some amazing upscale homes of Alamo. From the trailhead, be prepared for a immediate steep ascent through private property easements on your way to the park lands. Worth the efforts! Once you rise above the surrounding topography, you will have 360 degree views of the entire east bay valley, from Pleasanton to Antioch, and Mt Diablo to Skyline Ridge. The wild Las Trampas Peacock may even greet you upon arrival to its home on the summit.

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Katsumi Kaneshige
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Hiking
First to Review

Went with a friend. Parking spots were limited in the parking lot but it is a safe secluded spot. We completed 15 miles but had to alter a portion of this hike as we got confused on which direction to take in the Madrone trail. One of the problems is that there are additional paths or clear shortcuts emulating a trail which are not mapped and without signs. From the beginning, the Ringtail Cat trail has many shortcuts. On the other hand, the existent signs were not very clear and the paper map didn’t match the actual trails. We basically walked in circles between the Madrone and Virgil Williams trail. We tried to find the Sulphuric trail or Del Amigo trail and we just didn’t see a path. We had to go back where we came from and take the Corduroy hills trail. The Corduroy trail starts wide but then narrows to a single person lane. No shade until we reached areas that were next to cliffs and it seems that the trail narrows even more. Then we started our descend via Las Trampas to Chamise to reach the end of Bollinger Canyon Rd. Since we got lost for about 2 hours in the Madrone trying to find the way, we decided not to do the lower portion (Elderberry - Rocky ridge trail) and instead we continued into the Bollinger Creek Loop Trail. For shade, take the western part of this trail as the eastern part is in the open and the heat of summer slows one down. From here it was all uphill to Las Trampas Peak then once we reached the Madrone trail we descended until our exit point. Very few hikers in our route, we saw less than 8 people and only 2 were serious hikers the rest were people who lived around the area that came for an in and out stroll. We didn’t see much wild fauna in this hike. Couple of eagles at the peaks. There is a lot of cattle grazing from the nearby ranches.

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Caroline Le
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Martha Andrade
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Felicia Grace
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John Swearingen
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Niko Kingi
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Hiroko A
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Eric Koger
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Jw Sm
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Rachel L.
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Rachel L.
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Rachel L.
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Rachel L.
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Sean Evans
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Rachel L.
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Mark Allen
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Christine Sweeney
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Maria Guidry
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