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The Three T's Trail hike is one of the more peaceful hikes in the Mt Baldy area. This loop hike starts at Icehouse Canyon, climbs to Icehouse Saddle, then hits Timber Mountain, Telegraph Peak, Thunder Mountain, and then descends down to Baldy Notch, Manker Flats, and back to Icehouse Canyon. It's a long hike, but a favorite for those avoiding crowds.
17.6 miles (28.3 km)
5635 ft (1718 m)
Three T's Trail Hike Trail Maps
Use this address in Google Maps to get to the trailhead:
Ice House Canyon Rd, Mt Baldy, CA, 91759, USA
The Three T's Trail hike trailhead is in Mt Baldy, about 1 hour east of downtown LA.
After climbing up to Icehouse Saddle, the Three Tee's Trail follows the ridge line down to Baldy Notch. From there it's all downhill.
There's a lot of climbing on this hike. The toughest climb is the one to Telegraph Peak (in the middle).
Interactive Map Three T's Trail Hike Map Downloads
If you have GPS device (
I use this one by Garmin and I love it) for your hike, load the GPX file below into your device to navigate the hike. For help on loading the GPX file, read this article on converting and transferring to a Garmin GPS.
Also, don’t rely on electronics as your sole means of navigation. There’s a basic printable PDF map below, and I strongly picking up
a good topo map too. Gear for the Three T's Trail Hike The best hydration daypack out there. The CamelBak Fourteener has been perfect on hikes of all distances (including Mt Whitney and Cactus to Clouds). It's light, has plenty of room for super-food snacks, extra layers, hiking gear, and comes with a 3 liter water bladder. I also like the raised sweat pads on the back that keep your back dry. It's the perfect blend of high-tech, durability, and simplicity. I've got hundreds of hours on it and still love it. CamelBak Fourteener Reviews My favorite hiking boot of all time. The La Sportiva Synthesis (for men and women) are waterproof, super-light, have incredible grip, and won a Backpacker Magazine Editor's Choice Award ( my review here). I've gone through a lot of boots and these are my favorite. They feel like comfortable sneakers with the protection of hiking boots. La Sportiva Hiking Boot Reviews Don't hike without this in your backpack. It's a GPS emergency beacon and can save your life ( more on that here). On the trail, you're often out of cell phone range, and even something as simple as a twisted ankle could become a life and death situation. This beacon works where cell phones don't and is the size of a fist. Just press a button and help is on the way. Your life is worth every penny. ACR GPS Beacon Reviews Also, I'd recommend just taking a look around the Gear is dirt cheap there, including day-to-day clothing, fitness gear, and camping gear. And don't forget to get a lifetime REI Outlet. REI Membership for an extra 10% off. Three T's Trail Hike Video Three T's Trail Hike Directions What to Expect These directions are for a loop hike. It’s designed to let you take in the beauty of the Three Tee’s Trail and then have a nice long descent back to your car. If you want to avoid the more developed portions of the hike, simply hike to Telegraph Peak and return the way you came. The Three T’s peaks are Timber Mountain (elevation 8,303ft), Telegraph Peak (elevation 8,985ft), and Thunder Mountain (elevation 8,587ft). Thunder Mountain is the least scenic. This is a long, tough hike. Don’t attempt it if you haven’t done long mountain hikes and if you don’t have a good level of fitness. Start very early to avoid the heat in summer. Likewise, if there’s snow and ice on the route, don’t attempt it unless you have winter hiking and mountaineering experience. Telegraph Peak is a great place for a lunch or snack break. You can also eat at the restaurant at Baldy Notch on the way down. You need a parking pass for the Icehouse Canyon Trailhead lot. I use the affordable National Parks Pass, which gets me in every park, monument, and national forest. You can also use a (Southern California only) Adventure Pass, or buy a $5 day permit from the visitor’s center. Turn by Turn Directions The hike starts at the end of the Icehouse Canyon Trailhead parking lot. Don’t forget to display your parking pass on your dashboard. The Icehouse Canyon Trailhead parking lot has bathrooms. Not the prettiest but they work. Look for this trail sign at the start of the trail. You’ll be hiking to Ice House Saddle. Before you hike, you need to fill out a free permit. The permits are located in the small brown box between the hiking boards at the trailhead. Filling out the permit is pretty simple, just follow instructions. If there are no forms left, grab a napkin or piece of paper from your car and do your best. You can also get more permits at the visitor’s center. Drop the white copy of the permit in the side of the box, and keep the yellow copy on you until you’re done with the hike. The Icehouse Saddle trail starts climbing along Icehouse Creek right away. Avoid any small side trails to the right that head down to the creek. There are some private cabins down here. Respect people’s property and stay on the trail. Keep your eyes open for old ruins of cabins as well. About 1 mile in you come to the Chapman Trail junction. Stay straight to Icehouse Saddle. The trail is well marked with signs. At just under 2 miles in, you reach the border with the Cucamonga Wilderness. Just keep going straight. You’ll notice the scenery starts to change around this point and feels more alpine. The trail starts to climb on a series of switchbacks. Avoid any small side trails and stay on the switchbacks. Easy to miss a turn when you’re working hard and your head is down. Don’t forget to turn around and take in the mountain views. Even on this first section, you’ve climbed quite a bit. Eventually you’ll reach the junction with the Chapman Trail. Hike to the right towards Icehouse Saddle. You made it to Icehouse Saddle! This is a big trail junction and a great place to refuel. The Three T’s Trail is the hard left when you reach the saddle. All of the trails here are well marked.
If you want to do some other great hikes from Icehouse Saddle, check out my directions for
Cucamonga Peak and Ontario Peak. The Three T’s Trail quickly starts climbing again. You’ll (hopefully) notice less people after you start the Three T’s Trail. Keep your eyes open on the Three T’s Trail… …you might see some wildlife. On this day I spotted a few groups of deer. On other days I’ve seen bighorn sheep. The spur to Timber Mountain is about 0.7 miles after Icehouse Saddle. Hike to the right up to Timber Mountain. Again, the trails are pretty well marked here. The trail to Timber Mountain is small but easy to follow. Grab you summit selfie at the Timber Mountain summit sign. There’s a little area a few feet to the east of the summit with great views. A good place for a snack. Head back down to the Three T’s Trail and continue. You’ll start to climb once again. Telegraph Peak is actually past this summit. The views start getting incredible here. As you cross some small mountain saddles, your views to the east will start opening up. There are a lot of false summits as you climb toward Telegraph Peak. There was one section on the climb in some manzanita where the trail dead ended on a cliff. If the trail dead ends or gets dangerous, turn around and head up, you probably missed a switchback. Head up the switchbacks on the Three T’s Trail. Look back and to the right as you climb for views of San Gorgonio. There’s another rocky section where it’s easy to loose the trail. Again, look up and back for the switchback. The trail is less defined on this stretch, but still visible. Just keep your eyes open. Almost there! The trees get thinner as you climb toward Telegraph Peak. Soon you’ll start getting views of Mt Baldy in the distance. You reach the spur to Telegraph Peak. There’s no sigh for it, just a sign for the Three T’s Trail. Make the right to hike up the spur to the Telegraph Peak summit. Here’s detail of the sign where you hike right on the spur to the Telegraph Peak summit. The spur to the Telegraph Peak summit is easy to follow. Here you are, Telegraph Peak. This summit is a great place for a break and snack. Telegraph Peak has good prominence, so you’ll get great 360 views, including Mt Baldy. You can also sign the Telegraph Peak summit register. When you’re done at the summit, head back down to the trail and make the right.
If you want to avoid the more populated trails, you can simply turn around here and retrace your steps back to the Icehouse Canyon Trailhead. The rest of the hike directions here follow a loop route back to the hike start.
The Three T’s Trail descends down to the last saddle. Here’s the last little climb on the Three T’s Trail to Thunder Mountain. It’s not so bad. You’ve reached the end of the Three T’s Trail! Make the right at the end of the trail. You’ll be in the Thunder Mountain ski area. Continue straight on the trail in the Thunder Mountain ski area. Hike to the right at the fork to the Thunder Mountain summit. Here’s the Thunder Mountain summit. Check it out and head back to the last fork. Make the hard right back at the fork. Avoid the steep ski run to the left and keep hiking on the dirt road. The road is easy to follow. You’ll see Baldy Notch in the distance. Baldy Notch is where you’re going. There’s a split. The sign says you can go either way. To the right the road continues and is longer, to the right you go down a (not too steep) ski run which is shorter. Choose your poison and head to Baldy Notch. You’re at Baldy Notch. Here you can ring the big bell, get a bite to eat, or just continue through. You’ve got options. If you do want to eat, it’s all downhill from here, so feel free to gorge yourself. The trail to continue down the mountain is by the ski rental joint. Head down the dirt road. This is the start of about 6 miles of descending. Enjoy it, you’ve earned it. You can take ski lift up to the notch if you want to revisit. If you look down you’ll see the trail winding down below you. You’ll be following this all the way down. When you come to the first intersection, make the right to continue on the dirt road. After a while there’s a side road to the left that steeply heads down to the ski lift parking area. Stay right on the more gradually descending road. The road is easy to follow. Just keep going down. You’ll see the small Ski Hut Trail coming in from the right. Towards the bottom you’ll come to the falls. At the falls, the road becomes paved. And soon comes out to Manker Flats, where there are porta-potties. When you come to Mt Baldy Road, make the right. The last stretch of the hike follows Mt Baldy Road down to the Icehouse Canyon Trailhead. The Manker Flats parking lot is usually pretty full, as it’s the main parking to hike Mt Baldy. Keep an eye open for traffic as you walk down Mt Baldy Road. Stick to the side with the wide shoulder. When I did this walk, about a dozen people asked if I needed a ride, so if you want to skip hiking this section, you can probably hitch. Eventually you’ll reach the junction with the Icehouse Canyon Trailhead. Make the left to end the hike Here you are, back at the Icehouse Canyon Trailhead parking lot. Hope you enjoyed the hike. A quick note. These directions are meant as a guide for the hike, and not a definitive source. Conditions change, and the information here can be different based on time of day, weather, season, etc. There can be small side trails that you might see but I missed. I have made every effort to include all the information you need to complete the hike successfully. I recommend using this guide in conjunction with a map, GPX file, common sense, and call to the ranger station or park office. If you do the hike and notice something has changed, please contact me and I will update the guide.
If you want a great mountain hike without the crowds, hike Ontario Peak (8,696 ft) and Bighorn Peak. You might see more bighorn sheep than people!
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I’m Hiking Guy, aka Cris Hazzard. I like to get outdoors, walk, and then write about it. It wasn’t always like that though.
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