Nearly 40,000 acres of open space on the historic Irvine Ranch have been designated a Natural Landmark by both the State of California and the U.S. Department of the Interior. This honor recognizes the exceptional value of these lands to California and the entire nation. This land is part of the 50,000 acres of permanently protected land preserved on the historic Irvine Ranch. The Irvine Ranch Natural Landmarks contain important natural habitats and unusual geological formations. The landscape is home to hundreds of species of plants and animals, including eagles, badgers, mountain lions, Tecate cypress trees, and many rare species of birds, reptiles, amphibians and plants. Scientists have identified this region as one of the world

awesome hike with elevation. you can hike for days and its not usually crowfef like other hikes! go early because it gets hot and theres no shade.

So many cool things to see along the trail.

loved it

I think this hike is great if you don't mind climbing boulders to get to the fall. We did hiked up the mountain but there wasn't much to see. Pretty much dry with no shading. But I would definitely do the waterfall again. Because of the drought there actually wasn't a "waterfall" but had a pretty cool cave.

I did this trail today and by far it's been the best trail I've encountered so far. I haven't been hiking for long but this trail worked every part of my body with the rock climbing. Will definitely try it again but next time all the way

loved this hike. did it for the first time today and would do it again. loved climbing over the rocks. great cardio workout.

2 months ago

A nice trail in general. Wide road-width dirt path to follow. A good steady incline with some good wilderness vistas. Saturday morning at 7.30am you'll see lots of mountain bikers and runners.... I rated it a 3 star because the path was a little too boring for me and there was a little too much traffic on that day.

No water at all in August. We did see a couple of wild peacocks up in a tree. we could hear their call for miles. Lots of cyclists but everyone was friendly.

Nice morning hike. The falls are 4 miles in but with the drought it's pretty dry. Hope to go back once some rain hits the area. Lots of mountain bikers but every one was respectful and practiced common courtesy. Very clean trail from waste which is great. Also has good amounts of shade once you head into the canyon.

Kinda creepy alone. Nobody was on the trail. Easy hike.

Beautiful hike. Be prepared for how long the hike is and be sure to bring lots of water and some protein bars. Would love to go back. Make sure to go more in the winter months when there's more water

Great hike, however, get an early start because it gets hot real fast in the canyon. Can't wait to go back!

A really nice hike/rock climbing trail we suggest going after a little rain to actually see water. But over all fun just stay out of the no trespassing areas since there are people hiding in the bushes.

After parking you need to walk 2.5 miles on a road to actually start hiking up a creek bed to the Black Star Falls. There are big boulders that are relatively easy to climb on the way. It is a fun hike, but if you want to be alone this is not the place. Also can't believe how inconsiderate people are throwing their trash everywhere.