Explore Mammoth - view hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers and nature lovers like you.

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Maybe I was having an "off" hike. I found this trail to be very difficult to follow. I got to a point of the trail where the only option to go would have been to scale a very sandy and steep hill, I would've taken that route had I not been with my 60 lb dog. If that was the true route to go, I would not call this trail a dog-safe trail. Unfortunately we had to turn around.

Worth the steep uphill! Great views

Short, but steep hike to a very pleasant lake. I would rate this as hard due to the steep grade. The lake itself is wonderful - a lot of people were swimming in the lake during my visit.

So beautiful. I got to go back! Got here too late.

hiking
2 days ago

The first part is a steady incline. Not too bad if you are an average hiker. Dog friendly. First part is not covered from the sun but there are spots of shade. Beautiful view. Lake is beautiful and the ducks definitely have some attitude with my dogs.

hiking
2 days ago

Practicing for a Yosemite backpacking trip in a month and decided to give fern a try. I’ve been training for a couple month and went with my wife who never hikes. It is a difficult hike but she kicked butt. Took about 1:30 hours to get up (with pictures at the waterfall about halfway). We at lunch and fished at the top for about an hour and caught a bunch of small brook trout very quickly (power bait). Was much quicker coming down ~45min to an hour. Great place for a family hike. Bring a walking stick! It’s steep.

Pretty creek views and beautiful waterfall stop for a picnic! Steep but worth it!

great reward of parker lake at the end for relatively short and easy hike

Amazing Views of Lake Mary, Lake George and at the end the lovely Lake Crystal.
This is a moderate hike with some great elevations, so if you are a beginner then consider this a hard hike ( not for distance , but only because of elevation and lots of curves )

Had to take the shuttle in, I think 8 dollars round trip, but I think you can drive in before 830am but the road is narrow and buses are hard to get around. 10 dollars per car at the entrance pass the adventure center. Dogs need to be muzzled. Try not too take your dog if she/he is aggressive. Bus drivers don't like to take too many dog per trip so you may be asked to take the next bus. The drive is 30 miles. I have a lab so she barely fit underneath or in front of me. If you have a dog, make sure to get a seat. They have standing room but it's hard with a big dog.

Stop 6: Devil Postpile-0.5 miles; Rainbow Falls- extra 1.5-2miles (trail to lower falls is closed 2018) two viewpoints top of falls and lower falls viewpoints. First viewpoint to lower viewpoint is steep so climbing up is a pain. Trail itself is ok. Kinda up and down in elevation but not too steep. Well marked trail. Can deviate to the river to play in the water with dogs. You can also hike to the Mina--- Falls.

Stop 10: The other way to get in or get out: around 1 mile from rainbow falls. This trail is mildly challenging from falls to the stop so it's easier to walk down from this stop but you just see the falls. You are mostly gaining elevation coming back up. Pretty with wildflowers and Forest trees. Passes the PCT trail. There is a resupply general store here and a little restaurant that is heavily overpriced ($10+ hamburgers and $10 milkshakes)

The adventure center has tickets for the gondola and kid challenge structure/ rock wall. You can get a combo of gondola and shuttle 37 dollars each. Morning is best for gondola. No lines. But the food up there does not open till lunch. Summer time is for mountain/dirt bike and a beautiful view at the top. Construction at the top. The museum is nice for kids.

Cons: due to recent fires air quality and visibility was sub par.

hiking
6 days ago

Very nice stream running next to the trail. I was rather disappointed with the condition of the lake. It has been stagnant for quite some time and it not ideal for swimming.

Great views and very relaxing once at the lake

hiking
6 days ago

Beautiful hike. Moderate but challenging because of the altitude. A little smokey at the beginning because of the fires, but cleared up before we got to Crystal Lake. Cool, clear water with a few people jumping off rocks into it. Saw a few people with fishing poles too and they all said they weren't having any luck. Seemed to take about an hour and 15 minutes to get up there. This was with many stops and a really slow pace.

Very busy trail at the end of July. Yosemite Valley was closed due to fires. Which explained the heavier crowds in Mammoth Lakes. As on all trails, take plenty of water for everyone in your group. Try the west side of the river. Much fewer people.

We took the Reds Meadow Resort path back to Shuttle stop #10 which is recommended to get out because it is the last shuttle stop and usually fills up the shuttles leaving the area. The trail to the base of the Falls is closed now for 2018 for rerouting and restructuring and will reopen in 2019. Air quality was fine despite the fires but it was dry, hot and windy so bring enough water. The waterfall was beautiful and well worth the hike according to my seven year old! This trail has a steeper incline on the way back than to the Rainbow Falls trailhead so thats always an option to get to another shuttle stop too.

We started at the Rainbow Falls trailhead off of the Red Meadows Shuttle stop #9 which is a shorter hike than this one (1.3 miles one way so 2.6 round trip) You can change it up on the way back and take the Reds Meadow Resort path back to Shuttle stop #10 which is recommended to get out because it is the last shuttle stop and usually fills up the shuttles leaving the area. The trail to the base of the Falls is closed now for 2018 for rerouting and restructuring and will reopen in 2019. Air quality was fine despite the fires but it was dry, hot and windy so bring enough water. The waterfall was beautiful and well worth the hike according to my seven year old!

hiking
8 days ago

Great hike beautiful lake!

did the loop today it was a great hike, uphill wasn't that bad, was harder walking down the road back.

The waterfall is worth every step it took to get there!!

hiking
11 days ago

Did this hike with my two kids 8 and 3 and they loved it! Beautiful lake!

on Fern Lake Trail

11 days ago

toughed hike but the view is all worth it.

The elevation gain happens fast. And the lake is at 9800 feet, so prepare to be winded.

hiking
13 days ago

For starters you have to drive all the way through Coldwater Campground for parking. Restrooms are available. make sure to go early because parking does fill up quickly. Beautiful short hike with small side trails to walk along the creek. Hike is about .75 miles both ways (1.5 miles). Dog Friendly as well.

great day hike an easy-moderate trail, not too stip. Both lakes are amazing and so many different landscapes! great day

hiking
14 days ago

Great hike, very beautiful.

Beautiful!!

We did this with a group of about 20 friends ranging from 50 to 5 years of age all of us in different levels of fitness. It’s not as easy as Devils Postpile but it’s beautiful. The trails are steep and if your not used to the elevation can make it that much more challenging. We packed up a few poles in hopes to get a golden trout and a few brought swim wear. It was amazing but for a 38 y.o. Who does light waking a few times a week I was winded but my camelbak was my best friend and Motrin was my best friend the next day. Enjoy!!

hiking
17 days ago

Awesome hike. Well marked and worth going to the top to see Valentine Lake. 10.2 miles with 1925 feet of elevation. Not crowded and no smoke today.

hiking
17 days ago

This hike is a short, semi-easy day activity. I went on this hike with some of my family members and my dog. For the first mile or so, there is a huge incline that can be pretty tough if you are not used to the altitude. But once you get to the top the views are spectacular. The only problem that i came across was when we got near the lake there were a ton of mosquitos so we ran out of there before we got eaten.

FIVE STARS FIVE STARS!! The lake is absolutely stunning and the hike was very easy/moderate. It is also dog friendly so I would pack your pup, a lunch, and maybe even a couple beers and soak in the view for a while when you get up there! Gorgeous!

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