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    Henninger Flats Visitor Center

    4.8 (4 reviews)

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    Inspiration Point via Castle Canyon

    Inspiration Point via Castle Canyon

    4.7(191 reviews)
    2.1 mi

    Updated review: I've been to Inspiration Point twice now, most recently after the great Los Angeles…read more"blizzard" of early 2023. And how super intense and cool (figuratively and literally) it was! Total about 10mi from the top of Lake - Echo Mountain - Castle Canyon trail - Inspiration Point - Sam Merrill trail - Echo Mountain and back down to Lake. DEFINITELY a strenuous hike and would highly recommend hiking poles, sunscreen, water, and snacks! The view is incredible, especially with tons of fresh snow everywhere. Hiked this early March 2023 and the Castle Canyon trail leading off from Echo Mountain (a decent hike in its own right) is pretty challenging, if not a bit brutal in some areas: slippery snow, downed trees and bushes blocking the path, and a heavy incline. Again, highly recommend poles. Once at Inspiration Point the view is phenomenal. The Pacific Ocean, Palos Verdes, Catalina Island, and even Anaheim and Irvine are all visible from the top, and downtown LA too of course. Lots of picnic benches and photo-op-worthy view finders for major Southern California sites. Gorgeous San Gabriel mountains in the background. The Sam Merrill trail leading down the backside of the mountain (and then curving back around to the south/west) is much more tame (but still a bit precarious with 2+ feet of snow) and very sun-exposed all the way back to Echo Mountain. All in all probably one of the more butt-kicking Los Angeles hike. Takes about 4-5hrs round trip depending on your pace.

    Long and difficult hike but worth the view! About 10 miles…read moreround trip from Cobb Estate. Bring a hat, lots of water, snacks, sunscreen, and BUG SPRAY. Me and my husband started around 7:30am and finished the whole hike around 1pm at a steady pace with about an hour break when we got to Inspiration Point. The hike from Cobb Estate to Echo Mountain was a breeze for us, but the hike from there to Inspiration was a whole other story. I recommend wearing long pants as the second half of the hiking path isn't as clear and pretty narrow on some parts. We took our time and treaded lightly but still got some minor scratches on our legs from all of the branches and leaves. My husband started getting irritated from walking into all of the spider webs lol. Not sure if the actual hike was 2 miles from Echo Mountain because it felt so much longer than that. We started getting really tired near the end from all the incline. We almost gave up until my husband saw the view of Inspiration Point. Once we got there, the views made it all worth it! Would we do it again? Maaaaaybe lol.

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    Inspiration Point via Castle Canyon
    Inspiration Point via Castle Canyon
    Inspiration Point via Castle Canyon

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    Gabrielino Trail - Playing in the dam

    Gabrielino Trail

    4.3(80 reviews)
    4.5 mi

    This is a beautiful trail that is well used by locals. You can start the trail at a parking lot by…read moreJPL. The parking lots is large so it can accommodate a lot of hikers. You should put out your adventure pass when parking at this lot. I am not sure if anybody is checking but its best to be safe, to avoid a ticket. From the parking lot to the dam its approximately 8.4 miles roundtrip. The hike has very limited elevation gain to the dam- and it follows along the river. You will have to cross the river multiple times to the dam. Some of the crossing will be on bridges while others will require to get your feet wet or hop rocks to get across. The trail is mostly cover by trees so provide some relief from the sun. The Gabrielino trail leads to many other trails and places beyond the dam- you actually start on this trail and go all the way to another waterfall- note this hike is approximately 19 miles and has over 2500 feet elevation. The trail is heavily used by bikers, hikers, walkers and horseback riders. On the weekend this trail gets very busy. If you want peace and quiet best to do this trail during the weekdays early in the morning. Currently (October 2025)- some construction is going on at the beginning of the trail. The start of the trail can be closed- so before heading out check to see if the trail is open.

    Beautiful trails. Feels like you're out of LA. Highly recommend. Dog friendly. Pretty easy parkingread more

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    Gabrielino Trail
    Gabrielino Trail
    Gabrielino Trail

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    Idlehour Trail Camp - Idlehour Creek

    Idlehour Trail Camp

    4.4(5 reviews)
    0.9 mi

    We started the hike at 8am It was perfect weather, we got in through the bridge up to Henninger…read moreFlat is around 3 miles then is another 3 miles up to Idlehour Camp Trail. It's so worth it to the beautiful creek and the sound of the water is so relaxing. Recommended to bring mosquito repellent and cover your legs or you will end up all scratched at idlehour trail. Enjoy the trails and please leave no trace. In total we did 12.1miles in 5 hours

    If you've ever seen those poor souls trapped or worse--injured-- on the Eaton a canyon waterfall,…read moretrying to comb up and over, know now and forever that there is a safer way to access upper Eaton Canyon. While the hike is approximately 13 miles round trip, the journey is worth the effort. Idlehour campground is nestled in a higher elevation section of Eaton Canyon, approximately 3 miles past Lower Henninger Flats. About 1 mile past the fire station at Henninger, look for a small wooden footbridge on the left of the trail and signs for Idlehour campground. This small trail off the toll road heads down into Eaton behind Henninger. While there is a lot of poison oak, the riparian flora and fauna are quite different than what one finds in lower Eaton near the white bridge. Bay trees, stinging nettle, willows, and abundant wildflowers in season color and perfume the landscape. There are a few primitive campsites here, with small wood burning stoves. Fire permits are required, and while you might get away with sleeping the night here, it's also best to make reservations. There are no restroom or trash facilities here, so plan on packing out what you pack in. Near the water, various insects, spiders, and other bugs like millipedes are abundant. California tree frogs, California newts (one of the most toxic creatures on earth!), and small fish can be found in the creek. Songbirds and raptors are occasionally seen. Large mammals like deer, coyotes, bobcats, raccoons, and bears are generally in the neighborhood, so store food safely away from camp... That old Bot Scout trick of hanging it from a branch at least 10 feet off the ground works! Idlehour can also be accessed from Inspiration Point via the Idlehour trail, which begins roughly where the Sam Merrill trail ends about 0.3 miles past Inspiration point via the Castle Canyon trail. All trails are marked with new wooden signs... Although finding your way back to Henninger via the Idlehour trail from Inspiration Point can be a little tricky. Head east from the Idlehour campground sign and start heading uphill. This is not a particularly difficult hike, but it's length makes it a moderate effort. Bring extra water, maybe a light snack, and plan for a few buggy spots, especially during the summer. The gnats can get thick.

    Photos
    Idlehour Trail Camp - Toyon so beautiful

    Toyon so beautiful

    Idlehour Trail Camp - Idlehour Camp Trail View

    Idlehour Camp Trail View

    Idlehour Trail Camp

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    Millard Canyon - A butterfly that landed on my car

    Millard Canyon

    4.2(141 reviews)
    3.4 mi

    It's the @light_skin_dragon blasting off to the wilderness where I belong. I am going through…read moresomething personally where I won't speak of. My co-worker/friend hit me up saying let's go hiking. I was like bet. That would take my mind away from what I'm thinking about. So I discovered this on my app that I pay for. And I told him about it so we meet up and we came. I had my eyes on this place for a while because I haven't seen a water fall since I went hiking in Alaska. So he thought we were gonna do a Griffith hike but no this one was more intense. We have to walk into the water to get to the other side and btw the trail itself is like a mile so it literally is like a hour so together if you go there and back. We met a nice man there as well he went with his wife and 8 kids and I mean the kids were you g with 2 older children. So that inspired me to come and bring my daughter. Btw parking you need a parking pass which cost 5 bucks but we didn't get one and it was okay but just letting you know there are two different parking spots as well we parked higher up where we had to walk down to the trail.

    I have been here many times. Is a short hike with a beautiful waterfall…read more. Don't forget to bring your adventures pass or you will get ticketed... Is an easy hike family friendly you might get your feet wet, you will pass about 4 creeks . Enjoy the trails and please leave no trace.

    Photos
    Millard Canyon - Well marked trail but let's you decide how to tackle the switchbacks

    Well marked trail but let's you decide how to tackle the switchbacks

    Millard Canyon - Tres Marias

    Tres Marias

    Millard Canyon - Mushrooms

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    Mushrooms

    Dawn Mine Hike

    Dawn Mine Hike

    4.4(69 reviews)
    3.6 mi

    This hike had a lot to offer. Pretty green mostly covered trails a lot of crossing water when it…read morehad rained before. About a 6-7mile hike round trip depending on your starting point we started around Altadena area by fair oaks street. Bring- a lot of water depending on how you handle hiking Adventure pass is needed to park I don't use them but some walking / trek sticks could be useful in some parts. I'm a large guy it took a lot out of me to get there it's a moderate to hard hike for me. With more exercise and a few more hikes under my belt to get back into shape I would hike it again. A lot of connecting places to hike through to as well. Echo mountain connection - inspiration point .

    One of my favorite hikes in LA. I would rate this as Moderate given the elevation change and rocky…read morepaths but it's possible for all ages and skill levels. You get to hike through many different zones including goat paths on the side of the mountain, paved roads at the beginning, and multiple creek crossings and some minor boulder climbing. Parking is at the top of where you turn left to go down toward Millard Falls and there are only 6 spaces available so that area fills up quickly. We arrived @ 7:30AM and didn't have any issues parking and didn't encounter anyone until our hike back out. It's easy to follow the path as it's marked well. The first landmark you'll see is a formerly used cabin as you descend down into the canyon and as you follow the canyon to the end you will see many old mining equipment and plumbing strewn near the creek you are walking parallel to. You have to cross the creek a few times but it's only a few inches deep and there are rocks already placed for crossing. There are portions with pools deep enough to dunk in and even a section with 3 small pools with water slides into each pool. Something worth checking out when the weather is warmer. The mine at the end is underwhelming because it's blocked off with steel bars and is very low to the ground and is flooded with water. I would say the walk to the mine is the best part not the destination. Overall a great hike with beautiful scenery and hiking with the sound of running water the whole time is a real treat.

    Photos
    Dawn Mine Hike
    Dawn Mine Hike
    Dawn Mine Hike

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    Henninger Flats Campground

    Henninger Flats Campground

    4.3(98 reviews)
    0.1 mi

    Nice beginner destination for a backpacking trip…read more Likes: + Great view of Altadena/Pasadena and the LA county. Maybe you can spot Catalina or the Disney fireworks at night in the distance. + Pleasant getaway from town. Quiet, peaceful nature ambience. + A couple firepits for roasting your food with friends. + Great Mt Wilson with access to the giant 60-inch and the 100-inch Hooker telescopes. A hike you can do in a day. A camping/backpacking trip you can do in day & night. + Trails are wide and well defined. Non-likes: - The water spigot here runs extremely slow. I recommend packing your own extra water. - Restrooms running low on toilet paper. - Cosmic Cafe only open Apr-Sept 10am-5pm, and 10-4pm late Sept-Nov. If you walk farther uphill about 1-2 min, you'll find the white lavatory. Restroom stalls are more spacious than the auburn one. The water fountain and the water spigot there run fine and strong.

    What goes up, must come down…read more This hike was a moderate 3 mile hike up and around the San Gabriel Mountains, but so much easier to trek back down. Although we did an extra mile after missing the turn and ended up hiking a total of 7 miles; it wasn't too bad. I only hike about once a month, so I took a few breaks along the way up so it took us about 3 hours roundtrip. The hike starts at the Eaton Canyon Nature Reserve after parking on the street along Altadena. There's parking in a lot as well but I find it easier to park on the street than finding a spot during peak hours. We started the hike by following the Eaton Canyon Falls trail, then veered onto the Walnut Canyon trail, and then followed the Old Mount Wilson Toll Road the rest of the way to the campground. There's some shade on the hike but not much so I wouldn't hike this during the Summer. We did this on 12/2/18 in 64 degree weather and it was perfect. We saw some people that did a one night backpacking trip so it's an ideal spot to practice for longer trips. There are bathrooms but they were locked when we were there and there is no water. There are also lots of tables available so pack a picnic and enjoy the view. Directions I used. If you see a white bridge on your way back, you missed the turn like I did and just did an extra mile. https://modernhiker.com/hike/henninger-flats/

    Photos
    Henninger Flats Campground - So lush back here (at the moment)

    So lush back here (at the moment)

    Henninger Flats Campground - Wide space to set up tents.

    Wide space to set up tents.

    Henninger Flats Campground

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    Henninger Flats Visitor Center - hiking - Updated May 2026

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