Explore RMNP - 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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Great views easy addition to flattop
Worth the extra effort

hiking
21 days ago

Challenging climb, but you’re rewarded with a stunning lake at the end. Listen for the hikers cheering while conquering Longs Peak above. Enjoy!

hiking
22 days ago

Gorgeous hike. I hiked this in August. The raspberries lining the switchbacks right above treeline were a welcome surprise

hiking
25 days ago

Always a great trail! Made it to chasm/longs peak split late in the day. Choose your own adventure above tree line. Spikes/yaktrax and snowpants are a must. Only ran into one other couple on the trail. They called the hike down to chasm spicy and said ice axe/trekking poles were def needed to break the trail.

hiking
25 days ago

We hiked all the way to Chasm lake today. After tree line there are several tracks that diverge and we didn’t find the main trail for a while on the way up and down. After Chasm Junction, we had to break trail. This section was a little spicy and I wouldn’t recommend doing it without micro spikes and an ice axe. My husband had his crampons and I had microspikes. We both had ice axes and were happy to have the gear. There’s plenty of opportunity for postholing and I’d recommend gaiters also. However, it was a gorgeous day and we had fun.

26 days ago

Lots of snow drifts! The cairns mentioned below were covered coming up the mountain, but visible on the way down. That being said, the crossing was a bit of a “choose your own adventure” situation: forget the trail and try to stay out of the drifts as you make your way towards the pass. Snowshoes would be helpful but bring a map, poles, microspikes and gaiters/snowpants at the minimum. Great views and lots of fun

hiking
1 month ago

This hike will convince you to move to Colorado! Have completed it several times and it still never gets old. Bring a couple of liters and crush it. If you do it in March, prepare to post hole for six hours.

hiking
1 month ago

Hiked 11/10. Trails are well packed, definitely need spikes the whole way up. Poles are helpful at chasm crossing. Trail is hard to find above treeline, but is still well packed. Look for the giant cairns.

hiking
1 month ago

My favorite trail on the west side of the Rockies. Vista views the entire way and amazing 360° view at the top including Long's Peak and Grand Lake.

hiking
1 month ago

This trail cranked me.

Not very scenic from the trailhead until 2 miles in. The top of the tree line was covered in snow and it was very windy. By then we were just trucking through knee deep snow. Would do again in summertime.

hiking
1 month ago

Such a beautiful trail. We hiked up on Saturday and couldn’t complete it due to a snow storm and little visibility. Definitely would recommend using yak tracks or micro spikes on a better day. There is snow and ice pretty much the entire trail. There were still quite a few people on the trail.

hiking
1 month ago

CHASM Lake! WOW! It's everything I've ever wanted in a hike. We started at 6:30am just as the stars were dimming, the sun was coming up and the moon was going down. Once you exit the Goblin's Forest, the views of Longs Peak are extraordinary. This is an epic hike; to be in the valley below Longs Peak is breathtaking. Now, let me add this. To get to Chasm Lake, you need to keep on keeping on. Don't give up when you get to the "vaults" at the intersection. It's at least another mile to Chasm and if you see a small frozen lake on the left, that's Peacock Pool, that is not Chasm Lake so keep going. You have to ascend a very rocky, hilly, ice-covered mountain to actually get to Chasm but when you do, it's GLORY, GLORY, GLORY! I have #hikingfever and this hike has now eclipsed all but one of my hikes ... Hope Pass will forever be my #1 hike!

hiking
1 month ago

This was our first hike on our Colorado honeymoon and it didn't disappoint. We went on a Tuesday in mid-September; the parking lot was about 3/4 full when we arrived at 7:30, the weather was perfect, and the colors were gorgeous! As flat-lander Minnesotans I would say most of the trail is moderate, with the rock-scrambling at the end being difficult. Phenomenal views the entire time, up and back.

hiking
1 month ago

Excellent hike to Chasm Lake on 10/20. Started at 7am. Total moving time was 4.5 hours roundtrip, with an additional hour spent at the lake as we lucked out with zero wind and warm sunshine. The lake was about half frozen. Excellent views of Longs the entire way. Trail was majority covered in snow, but packed. Microspikes were worn the whole way. No issues crossing the boulder field. A little slushy on the return hike. Some short icy patches climbing up to the lake. Just go slow and watch your footing. Very happy to have completed this hike after attempting 1.5 years ago and encountering 50mph winds at the trailhead.

Hiked this trail on Tuesday (10/16). Did all but 1/2 a mile of this out and back trail and saw no one!! Really pretty hike but ran into thigh high snow at the top and turned back before I reached the lake. Was really disappointed I didn’t make it to the destination but since I couldn’t find the trail up top for all the snow, I felt it was best to turn back for safety reasons. Fell into deep pockets of snow several times. I’ll do this one again a little earlier in the year!

hiking
1 month ago

I did this hike 2 years ago and it remains to be one of my favorites. The trail is covered in packed snow the entire way, so I would definitely recommend having micro spikes on hand. It can definitely be done without spikes, but it just might be a little slower/harder/more slippery. Once you get above tree line you might find yourself following footpaths that are definitely not the real trail, but it will get you up to the trail junction between Chasm Lake and Boulderfield one way or another. A breathtaking view of Longs is visible for most of the hike (above tree line) but it’s even more amazing to have it looming above you once you’re finally at the lake.

hiking
1 month ago

Amazing and challenging hike. Chasm lake with a little bit of snow on the ground was quite a sight to see. Once you break through the forest the views are breathtaking.

hiking
2 months ago

Incredible view of multiple lakes and Mountain View’s, steep climb in the half mile

2 months ago

My son and I arrived today from Cleveland. The hike was wonderful and challenging. As we climbed the wind picked up and temp dropped. We didn’t start till 2:30 and made it above tree line and to the final push to Hallett but happily turned back. It was wonderful but the weather reminded us to have respect for Mother Nature. What a beautiful hike.

hiking
2 months ago

An amazing hike that gets your blood pumping. From the Ranger Station to Chasm Lake is a 4.2 mile hike that ascends 2,522 vertical feet, so the out and back hike is 8.4 miles as opposed to the 7.7 miles listed here. It’s a tough and steep high altitude trail, so bring plenty of water. It’s strenuous, but the payoff is absolutely surreal. This trail brings you right up to the east face of Longs Peak. Chasm Lake is one of the most beautiful and awe inspiring high altitude lakes that I’ve ever seen. Bring a good camera, because the photo opportunities are terrific throughout.

hiking
2 months ago

Great views and well worth the hike! Should be listed as ~8.4 miles though.

hiking
2 months ago

Beautiful but can be quite windy! Come prepared for that!

hiking
2 months ago

A fun, but steep trail with wonderful views of the valley. It was incredibly windy above the tree line. I'll post pictures tonight.

hiking
2 months ago

Beautiful hike, pretty vertical but worth it for the views at the lake.

hiking
2 months ago

Absolutely amazing hike, but definitely very strenuous. Once you're above the tree line, it gets tricky with the temperature drop, the low air density, and the incessant winds. The trail is fine until the last bit when there's a bit of rock clambering to the peak. Super views but my personal favorite is Sky Pond.

hiking
2 months ago

Definitely a fun hike. Great payoff for an intense (if you’re from the Midwest) hike. Would do it again in a heartbeat!

2 months ago

Beautiful hike, we got there at 7 am and made it to the top in 1.5 hours. I would say moderate to strenuous for sure, lots of rock steps. View at the top was totally worth it!

hiking
2 months ago

Nice hike stopped by on the way back from the key hole simple scramble to the lake awesome view of the diamond on longs. lake was alright there’s better lakes in RMNP to see Black lake and lake of glass are nicer this was a little more challenging to get to or it would only be a 3 star

this Trail is wonderful. The first one point five miles are very challenging and difficult. However they are in the forest so you're protected from the elements. For a considerable distance once you passed the tree line it is a wonderful Trail to walk on. Unfortunately we didn't make it to the summit. The weather was cloudy and it was incredibly cold, and it is very windy as everyone says. We did make it to Peak 12150. I would do this hike again no doubt. However the next time, I would go more prepared with the proper attire. While we were dressed in the appropriate coat and pant layering, the lack of a hat and gloves made it unbearable. I recommend all of these if you plan to take this hike. Far better to be able to remove them if its cold then to not have them at all. Again, I do plan to make the hike again, so that I can get to the summit of Mount Ida. It's a stunning hike and well worth every step.

hiking
2 months ago

Super challenging hike. Essentially 4 miles of stairs on the way up. Gets really windy when you hit the 1.7 remaining mark. Make sure to bring wind jacket, hat and gloves. First part is in the trees then you venture into the valley where it is super windy, once you get to the sign where it points to chasm lake or longs peak follow the trail to the left alongside of the mountain. First you will see peacock lake and continue until you see the chasm lake sign. Have to climb up a lot of rocks to get to chasm lake. Beautiful hike but definitely a challenge on the legs.

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