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Amazing hike! Like the others - it was definitely tough (made harder by hauling up a pack) and totally worth it. You really get the bang for your buck on this hike - every part is beautiful. We started later than we had initially wanted (4pm) and got to the summit in 3.5 hours. Since we came that late in the day there was plenty of parking in the lot.

There is a stream a couple miles in that comes right out of the side of the mountain that many folks filled their water at - had I known I would have carried less water the first couple miles and filled up there to make better time (I think it's about 2 miles in?). When we got to the summit there were about 10 other tents scattered around. We were still able to get a spectacular spot overlooking the valley and although we were camped among a bunch of other folks, it still felt pretty remote. I would definitely do this hike again. I don't normally hike with trekking poles (I wear patellar supports), but am considering purchasing some as the downhill was a bit intense with a pack.

This hike is definitely intense. Hiked up on baldy trail and back down on devils backbone. Going up is tough is 4000 ft of just straight elevation imagine stair master x10. When you hit the green cabin (there is a little outhouse) you’re about halfway. It’s gets harder after this. The summit is really cool. Great view. Down devils backbone is VERY narrow be extra careful but it’s totally doable. I think this is the best way down opposed to baldy trail its not as intense. Long but not as intense. Plus there is the Mt baldy lodge where you can relax possibly take the ski lift back down if you wish.

Tips: bring at least 2 liters of water. Must wear hiking shoes. Trekking poles are very helpful.

昨天走upper Winter creek不过瘾,今天一大早5点半开始这条。一路树荫,凉爽,可惜没有什么水,带的4升水,狗2升,自己2升,9点到天文台重新补水。下山Wilson 到sturtevant falls 这一段比较陡,伤膝盖,后悔早上匆忙没带手杖。总体感觉不错!推荐。

I did this yesterday and it was very enjoyable. First the parking was super packed at 9:30am already. I did I two round in the lots then I was trying to find on the road and there was a nice guy pointing at his car that he’s leaving! Thank you sir!!

Anyway if I didn’t know about the trail, I would be sure to get lost. So you should check where the trail sprit. And like everyone said here it’s not 12 miles. It’s more like 16miles. (My phone die on the way coming down, so there is no accuracy but I was glad that I made it to parking lot) Last couple of miles going up was tough. I kept stopping and looking up when this uphill/switchback end.

I finished my entire 1.5l water going up so make sure you have enough water and snack to refill.
Cosmic cafe save my life on summit.

Going down from summit was confusing. There is no sign going down. I had to walk around the parking lot and observatory gate. There is a trail in the middle of parking lot. But again no sign!

Downhill was easy but sandy and easy to slide so be careful. At the white creek ? Trail sprit and I had no strength to go uphill at the beginning of trail, so I went right to chantry flat for another 3 miles.

Going up and down, there is plenty of gnat and mosquitoes. Be sure to spray bug spray everywhere and I saw a sign that there is a bear so maybe bring a bear bell.

I saw a deer family running by me and looking at me so it was a delightful moment and that it self made my day.

Fun hike.... Holy Fire was really affecting the air quaility, made it a little bit harder.... last mile is killer. Met an awesome group of hikers at the summit as well

Didn’t notice any smoke today. Seems to be one of the few places unaffected by the fires.

Hiked this yesterday. Very low traffic, which was nice. Hazy at the top, got some weather for a few minutes. You can see smoke, but didn't interfere with the hike. It was a great day in the 70's, cooler at the top.

Great hike for training. Doing Mt. Whitney in a couple of weeks and the consistent above 8K ft. helps.

Can anyone comment on the smoke at the top? I did Bighorn on Wednesday and the conditions weren't the best.

love it up here. be advised, 2 bear sightings a mile apart. 8-5-2018. 10:30pm Mt baldy Rd. first was at the Mt baldy rest area.


August 8, 2018

wish I could post a picture. looks horrible. the lake Elsinore area fire has peaks covered in smoke. check out 10064ft.com cam footage.

Awesome hike! Started at sunrise to beat some of the heat. The parking lot was already 3/4th full. Get there early! Loved the trail and the sound of the wind through the trees. I recommend Trekking Poles especially for parts going down hill. Parts are rocky and have some loose gravel. If you are steady on your feet you will be fine. Take lots of water and suncreen. Awesome views at the top! I will hike this again!

Good tough hike, just make sure to bring poles. Most importantly, save your water for your way down, the temperature at the summit is much cooler and shaded compared to below Icehouse Saddle.

Excellent training hike - I took the loop via Stuyvesant camp to the top and returning on the opposite side.

1st thee+ miles felt great - I started early to avoid the heat (6:00am) and bugs. Once I passed Stuyvesant though the uphill kicked in. There is some serious uphill for 3 miles so be prepared for a long slog.

The observatories, exhibits and cafe were a welcome respite while preparing for the descent. The descent is tough - what goes up steep will come down steep so pace yourself.

My GPS unit had me at 15 miles and I spent a little over 7 hours on the hike (3 hrs up, 2 1/4 hr down and about 1.5 hrs trying to recover at the top and during the steep switchbacks). Key is to pace yourself and just keep moving.

Because of the lower elevation, heat will play a bigger factor so watch out - the downhill was interminable but the last 1/2 mile climb to the parking lot in 93+ degree heat was rough when your tired and ready to be done lol

Leaving early helped minimize the bugs while the afternoon sleep also seemed to have tempered them. I really only saw the gnats and they were less than many other trails

Overall excellent hike that let me know I had done some hiking! Be proud of your accomplishment

I completed the loop on Aug 4, I really liked the nicely wooded trail, for the majority of the trail I was cover by trees and nice shade that protected me from the sun and the terrible heat.
I definitely recommend a map for this hike, there are so many different trails going in all directions, that even when I was following the Alltrails app very closely I still managed to take the wrong turn and ended 20 minutes wondering around.
I think that the entire loop is too long, by the end I just wanted to be done with it, I think I would enjoy doing this hike one way up to the Observatory then drive back to Chantry flats.

Beautiful views and a fun day hike. I used this hike to train and test gear for an upcoming trip to Mt Langley. It was a good moderate hike. Nothing crazy. I will go back but next time I’ll approach from Idyllwild and skip the tram. Once was enough for me. Cheers

Trail is closed indefinitely due to a fire in the area. Also the road up to the trailhead is very rocky like off roading, beware if you don’t drive an SUV. Get there early as parking is extremely limited.

Haven’t actually hiked it, just wanted others to know as it’s not posted anywhere!

Very challenging, I felt it was harder than Baldy, but it could have just been my mood that day. Dont forget your hiking poles for this be one and expect a full day. Start early as usual, but generally low traffic as compared to Baldy.

I loved this hike. I do some pretty brutal hikes this one is a good one! I will be going again. I suggest a good amout of fluids to keep hydrated and sunblock. I did go on a very warm day but the temps up there were significantly lower than down at the ground level and the breeze through the mountains was perfect!

What an amazing, day. We completed and hiked Mt. Baldy’s Icehouse Canyon to ‘Cucamonga Peak’ at 8859ft in 6hrs. I love hiking with my friends. Let’s hike another, one. This was an amazing up coming Bday, with a hike. Now, Let’s eat... ❤️

A challenging and rewarding trail.

Great choice for trail running. Not crowded at all. I train for ultras on this trail. After summiting San Bernardino peak you can continue on to other peaks nearby as the trail continues east.

Did this as an overnight. Started at about 5:30 A.M. at Manker flats campground. Took our time going up not rushing. Started with 2 liters of water and brought extra empty bottles to fill up at the ski hut. The stream was flowing very well. From ski hut took 4 1/2 liters to the summit 1 1/2 liters was just for our meals. Wasn’t very windy at the summit until about 7pm

The sunset was SPECTACULAR. Words can not describe it. We saw a family of big horn sheep right by our camp site for an hour or so. Once the sunset the lights from Hesperia and the inland empire are incredible along with super bright stars, planets and the moon being super bright lighting up the camp site. We camped at the summit in between one of the rock wind barriers. It got a little windy through the night but not unbearable.

The next morning packed up around 8 A.M. and got down to the car around 11:30 but spent 45 min at ski hut drinking up water and cooling off by the creek. Super refreshing. Once the sun was up and we got below the ski hit it got hot quick. Bring lots of water if you plan on doing this in the summer along with a hat as there is no shade at the summit and hardly any shade along devils backbone.

We are so sad! We arrived to the trailhead only to find this trail closed due to the fires. There was no indication here on your app that it was closed and based on all the reviews, one being two weeks ago, we wouldn’t have known it was closed. Apparently this whole area was evacuated two weeks ago. At least according to the locals. Don’t drive all the way here! Trail is closed. Check with forest rangers first. $5000.00 fine. I look forward to hiking this peak as soon as it is open again.

The trail is very well signposted and easy to follow. Started about 6am and wasn’t bothered by the heat at all! Managed to see a family of Bighorn Sheep going down the Devils Backbone which was amazing

Lots of gnats and other flying pests during the summer, so prepare.

Loved this hike. Don’t be.afraid to wear standard Nike free runs or other types of non boot like shoes.

Hike was for sure a tough climb, if you aren’t used to pushing yourself through steep hills and long elevation gains than this is a hike you will have to gain some will power. One step at a time. :)

The view was incredible also, most definitely going back.

Great hike! However, like previous reviews stated it’s more that 12.6 miles. My fitness watch doc’d it as 17. 7 miles. Cafe at observatory was a lifesaver. Note: they close at 5pm.

We will def be back!

Great trail. Been on it 2 times since living in the Los Angeles basin. This trail is not intended for the weak hearted. Lots of cardio going up so pack light doing a dayhike. Once you reach Icehouse Saddle, you have an option to hike the three "T's" on the left, or hike up towards the right either to Kelly Camp towards two of the peaks which I forgot the names of or to Cucamonga Peak and/or Etiwanda Peak. On the weekends, get at the parking lot early before the sun comes up because parking gets full quick. Have fun & be safe.

I love this trail and I love this mountain. I work at the ranger station as a park aide and have done most of the trails on Mt. San Jac. If you're coming to summit just make sure get a permit and have 3 liters of water on you as well as plenty of food. Make sure to check the weather and water reports at the ranger station. For hikers of average fitness this hike is not to bad. the hardest section of the hike is from Round Valley Meadow up to Wellman's Divide. At the top you're met with a rock scramble to get to peak sign. Remember to take in the view!

"The view from San Jacinto is the most sublime spectacle to be found anywhere on this earth!" - John Muir

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