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Mount Baldy: 10 Peaks is a 27.5 mile heavily trafficked point-to-point trail located near Mount Baldy, California that features a waterfall and is only recommended for very experienced adventurers. The trail offers a number of activity options and is best used from April until September.

Length 27.5 mi Elevation gain 11,046 ft Route type Point to Point
Backpacking Camping Hiking Nature trips Bird watching Views Waterfall Wildlife Snow Washed out No shade No dogs
Waypoints (10)
1
Ontario Peak
34.22775, -117.62409
2
Bighorn Peak
34.2338, -117.59768
3
Cucamonga Peak
34.22275, -117.58534
4
Etiwanda Peak
34.22939, -117.57356
5
Timber Peak
34.24509, -117.59367
6
Telegraph Peak
34.26172, -117.59834
7
Thunder Peak
34.2652, -117.60611
8
Harwood Peak
34.28653, -117.63291
9
East Baldy Peak
34.28906, -117.64639
10
West Baldy Peak
34.28711, -117.65396
Weather
UV Index
Daylight
Reviews (35)
Photos (8899)
Recordings (15)
Completed (109)
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Elliott Castillo
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarSeptember 26, 2020
BackpackingNo shade

2 nights and 3 days (last day was in the early morning) I hiked this trail while conducting zero research. I’m 23 and felt like I can do it, I do this all the time with most of my hikes, although I don’t recommend it. I ended up becoming extremely fatigue and dehydrated. I hiked all 10 peaks with very little water, the first fill up is on your right handside up to the saddle, your 2nd is at Kelly’s camp. There is no water cucamunga peak, I hucked it over passed the 3 Ts all by myself the entire trip I went solo, it wasn’t a big deal, I filled up at the restaurant . I hit the last 3 peaks and ran out of water, I slept off the trail for a night and then woke up and finished the rest that morning. The last stream is near the end of the hike, I don’t usually filter my water either but the last stream of water I should have, there’s lots of algae. I then felt gods presents when I completed my hike and cried happy tears. I didn’t believe in god before as much as I do now, I was by myself 12-15 hours a day. The first sights of people where on baldy peak, on the saddle and that’s it. My experience was very personal for me, and will most likely do this often to train for other long distances hikes. All and all, it was a very splendid hike. I highly recommend it.

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Jake Connell
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarSeptember 5, 2020
Backpacking

I hiked the 10 Peaks in three days and two nights. There was a ranger checking everyone for permits (Cucamonga Wilderness for everyone and backpacking stove for anyone staying overnight) so make sure you have both of them. Cucamonga Wilderness you can get when you first walk in on your left hand side. Right next to the big map there’s a little brown metal box. You fill out the free permit put one side back into the box and take the other with you. The backpacking stove permit is online and also free. As for all the finer details of this hike, I’ve put them in the way points of my map (it would have been way too much to put it all here). So check that out and happy hiking!

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guy shurki
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Hiking
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Todd Martin
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Hiking

I've done this a couple times and yesterday a 12-peak version (added in Dawson & Pine). I've found this way works well for having rehydration points in good spacing. Parked at Icehouse Canyon, hike/jog down to Baldy Village and head up the Bear Canyon trail. Hit West Baldy, Baldy, Harwood then food & refill water at The Notch. Next, Thunder, Telegraph, Timber, through Icehouse Saddle to Camp Kelly to refill water (there is a spring just outside of camp that will flow through summer but may dry up or become very slow in late summer/early fall). From here hit Ontario, then backtrack and up to Bighorn, SE down ridge to saddle at base of Cucamonga, left at junction for Etiwanda and on to Etiwanda. From Etiwanda, backtrack 3/4mi then stay left and up the ridge directly to the summit of Cucamonga. From here it's mostly downhill back to the Icehouse Canyon parking area. Strava track showed 32.7 mi and 11.5K elevation.

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Valerie Andrey
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarMay 16, 2020
BackpackingRocky

The trail is intense. Do not underestimate your water resources. Start early since it’s getting too hot by 10am. Hiking poles are strongly encouraged. If you are planning overnight backpacking, wilderness permit can be obtained at any nearby 7/11 store since ranger station may be closed. The parking lot still closed, so park along the road. It was ok for us for overnight stay. Enjoy, it is a gorgeous trail.

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Sylvain Montcouquiol
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarJuly 21, 2019
Hiking

Amazing views. Started at 05:45 directly from Icehouse Canyon trailhead parking (no difficulty to park at this time). Main difficulty for me has been the heat (limited shade on the trail). Water refill possible at the spring of the campsite after icehouse saddle towards ontario peak and at Baldy notch.

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David Dimesa
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarMay 24, 2019
HikingSnow
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Anthony Germain
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarOctober 8, 2018
Hiking

Great Hike - I logged 30 miles in 14h35. Started hiking at 4:50 in the dark and finished in the dark at 7:45 pm. You better be in a great shape if you plan on accomplishing this 10 peaks challenge, it is really hard! Loved the view from Ontario and Cucamonga! Breathtaking. It is getting cold up there so plan to have extra layers. I used 5l during the day. until peak 7 I was above the clouds which were wonderful but completely in clouds when reaching Baldy. I'll definitely go back to do baldy early in the Morning.

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Jordan Donohue
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarAugust 4, 2018

Great hike, did it backpacking over 2 nights 2.5 days. Did a bit of the scenic route so it was more like 32 miles or something. Amazing adventure, first night camped at cucamonga second night on baldy. Met some great people made amazing memories and overall had one of the coolest experiences I’ve yet to live, 10/10 recommend. Did it early June and the weather was good, being like 10L of water if your doing this in one day though!

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David Proulx
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarOctober 28, 2017
Hiking
First to Review

Bam! Now that's what I call a hike. This is all day for sure. Plan to be doing some night hiking. Also, my gps read 30 miles and 12686 feet of gain. Alltrails always changes the data when I upload for some reason. Take the ridge down from Bighorn to Cucamonga. That will cut off a few miles.

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Joan Nandaula
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Hiking
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Jesus Leon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Dave Dhillon
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Hiking
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Dave Dhillon
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Hiking
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Dave Dhillon
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Dave Dhillon
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Dave Dhillon
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Prasad Papudesi
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Felipe Villaseñor
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Hiking
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