Explore Colorado Family Trip - 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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hiking
9 hours ago

Nice hike with great views. Fun rock scramble at the end right before chasm lake.

Great incline after the river, we saw a moose! BEAUTIFUL

hiking
3 days ago

Awesome park!

hiking
3 days ago

Amazing! Beautiful hike with a great variety of scenery. Fairly tough incline throughout, but manageable if you pace yourself, and is worth it for the amazing views at the top.

hiking
5 days ago

Beautiful views.

This was such a good sunrise hike. We had a very large group but everyone was able to make it up and down the scramble at the lake. If you’re not in great shape, the elevation gain will be challenging especially getting closer to the top. It was also super windy for us and I felt that I was going to be pushed over the edge into the gorges below us (it was also really dark too).

hiking
5 days ago

First off I would rate this as moderately hard haha. Only because of the elevation gain. The scramble at the end up to see the lake isn’t bad either and definitely worth it ! Lovely spot to rest and take in the beauty of the mountains and the crystal lake . Absolutely gorgeous .

hiking
8 days ago

If you are from the flat lands, and a low elevation, the initial bump from the start of the trail may kick you butt, as it did ours. Pace yourself, it's worth the effort. After hit the top, it's mostly rolly all the way down. fantastic views.

10 days ago

This is so worth the hike. The lake is pretty and the view from the top looking down to the lake was awesome. The first part goes through the forest and I almost thought there isn’t much to see but as you gain elevation, it gets prettier and prettier. A little windy on the top. Don’t forget your wind jacket.

11 days ago

I had a great time on my trip to Chasm Lake, the views are remarkable and everyone I met along the way couldn’t help but gush about how unreal it is. My trekking poles helped me out a lot on the way back down, as did my headlamp - just keep your eyes peeled, I had a nice little run-in with a baby brown bear and had no intention of waiting around for it’s momma! Enjoy

Loved this hike. Started at Fern Lake Trailhead and looped to Cub Lake. The family of moose at Cub Lake was magical for us.

I wouldn't recommend this trail. it is not kept up and requires a lot of maintenance

Difficult last 1/4 mile. Lake is beautiful and a lot of color change in early September. Moose spotted on the trail watering holes.
Sad and Disappointing that the pines have been destroyed and the mountainside is no longer green.

hiking
13 days ago

In my mind this qualifies more as a climb than a hike. Very strenous. the first part of the hike to the tundra is like a staircase with steps created from logs and rock. These steps can be couple feet high and it is interesting to see how people have created mini diversions around the steps. Be prepared for a very tough day and try to avoid weekends. Gets very crowded.

I did this hike with my Boston Terrier on Jan 14 of this year. We went counterclockwise because at first glance it is an easier accent. I want exactly acclimated to the altitude so this hike kicked my ass. That said the views are spectacular.

Be prepared for a few stream crossings. When I went the streams were half frozen over so at times I had to carry my dog. Going counter clockwise this came later in the hike. I was tired but the cool feet were welcome.

Finishing the hike on the high of the accomplishment, the feeling however dashed... when my 5 year old 25 lb Boston Terrier, who had EASILY covered 2x the distance I had on this hike, bolted after a squirrel near the parking lot as if we had just arrived!!!! Compounding my astonishment by showing absolutely zero signs of exhaustion even on the 30 minute car ride home.

I mention this because the trail is NOT WELL MARKED. Had it not been for my trail trained lil buddy continuously tracking the trail I would have had s nich more difficult time.

if its warm bring LOTS of water. it was ideal at 35-40 degrees for us in Jan.

hiking
17 days ago

Did this on a Tuesday and loved it. The trail wasn’t crowded at all and we were able to park easily around 7 AM. Did get a little hail on the way back so watch the weather and come prepared with rain jacket and hat/gloves. Trail is really nicely maintained and the elevation gain is spread out mostly over the forest section and a long stretch of tundra. The scramble to the lake itself isn’t well marked at all but there are a few ways to go about it and no real danger of hurting yourself if you go wrong and need to double back. Lake is beautiful. Watch out for marmots and pika trying to get your snacks! Trekking poles were majorly helpful getting back down.

hiking
18 days ago

Tough incline. Steep rock scrambling at the end to get to the lake, but you are rewarded with gorgeous views. The way down is no picnic, most of the way is covered in large rocks.

hiking
19 days ago

Great hike, elevation climb is pretty intense. Small amount of rock climbing to get to the lake. All worth it, beautiful scenery

hiking
26 days ago

Fun hike, we managed to luck into getting a good parking spot at the base. Good tree cover so we didn't get too baked but still good views towards the top. The lake water was refreshing to dip your head in at the top after all that hiking. The incline is real though so be ready for that.

26 days ago

Great views of the twin peaks as you head up the trail. The last tenth of a mile is quite steep and challenging, but the lake view is a great reward. Watch for wind and colder weather above the tree line

hiking
26 days ago

The climb looking into Longs peak is iconic Colorado Rockies.The final reveal after the boulder scramble is most excellent. The length is actually around 11 miles.

Beautiful trail. We came counter-clockwise from the Fern Lake trailhead, to the pool and up to Cub Lake and then turned around and went back. The incline from the pool to the lake was not easy but gorgeous. I love the narrow trail and all the wild flowers. On the way back we saw a moose right on the trail. There are more beautiful lakes but the trail itself on this hike is worth it.

28 days ago

So beautiful u will be so glad you did it! Make sure you go on past the first lake (Peacock Lake) on to Chasm Lake .
Our favorite hike of the week !!!!!
( bonus : write this down for epic beauty hike in Idaho: Kane Lake - off the grid , ask locals!)

29 days ago

Tough hike and the views keep getting better as you go. Awesome finish at the lake.

hiking
30 days ago

It is a lovely trail leading to a marvellous and peaceful lake.

hiking
1 month ago

Did this hike and included Fern lake. The hike to Cub lake is pretty mild and happened on to a moose in the meadow which was awesome. This would be a great trail for families or anyone with a child as the only difficulty is the mild ascent to Cub Lake from the meadow. After that it is all downhill and the route back to the TH is along the river and tree covered. Total for the Cub lake loop was 6.1mi, if you include Fern Lake it adds up to 11.34mi.

hiking
1 month ago

This is a fun, challenging hike along a variety of terrains, which keeps it interesting. We went clockwise as others suggested and appreciated the flatness of the end of the hike. It was less than a 700ft gain, but that seems misleading as there is a pretty significant hike up after the lake. It starts out easy in a meadow with a few small hills. There was a pond where we saw a moose & baby drinking. The hike continues on to Cub Lake, which is beautiful, especially with all the lily pads. Not a ton of shade, so be prepared if it’s sunny or stormy.

Continuing on the trail, it’s quite a rocky hike and pretty empty. Again, it feels like more of a 1,500ft gain. I don’t know how it felt like we were climbing so much. There’s a lot of burned trees, but it’s nice to see the lush foliage filling out. Once you reach the summit, it’s downhill in a wooded area. It’s cooler & pretty easy the rest of the way.

It gets busy where the trail merges with the Fern Lake trail. You continue on a fairly open and mostly flat sandy/gravelly trail to the Fern Lake trailhead. Most of it is by the river so it’s cool and comfortable. Once you get to Fern Lake trailhead, it’s a mile+ walk on a dirt and gravel road back to Cub Lake trailhead. There wasn’t a trail we could find, so you’re just walking on the dusty road. In hindsight, I might’ve parked there and walked the road to Cub Lake, but it was a nice, flat cooldown after a somewhat challenging hike.

hiking
1 month ago

One of the best lakes in the Rockies !! Totally worth the visit.

I feel a great sense of accomplishment for my 10 year old daughter, who was the only kid on the trail to Chasm lake today. It was a great hike! So lucky to see a moose, out of nowhere, crossed the trail in front of us. It was scary and amazing at the same time! We waited a few long minutes for the clouds over Long’s peak to blow away. It got so windy but we came prepared and finished the hike.

hiking
1 month ago

Great hike! Make sure you do the full loop. Beautiful views. The last couple miles of the trail follow along the river. Fairly easy incline.

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