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My girlfriend and I hike to Jasper's lake 5/25-5/27. We intended to do the whole loop but there was to much snow. Snow made it a little miserable but also fun. At some point there wasn't a trail just branching paths of foot prints. We got lost two or three times but nothing a little back tracking couldn't solve in a few minutes.

The hike to Jasper's was gorgeous. Will probably hike the whole loop at some point but when it's warmer for sure.

This was a beautiful hike. My wife and I did it in about a day and a half. We hiked it counter-clockwise, starting from Hessie. We left our car at 12:30, and camped at Devils Thumb lake that night, arriving around 6:30. The next morning we were on the trail at 6:30,and back to the car at 2:30.

As some others have said, I felt that the north half was the prettiest, but the whole thing is great. Also, aside from right near Kings Lake, and the first mile of the trail, we didn't see too many people.

I would definitely do it again. And splitting it up the way we did was nice, because we didn't have to do the whole climb up to the continental divide in one day.

hiking
1 day ago

An amazing view of what Boulder Colorado has to offer. A must see hike!

5 days ago

Did this on 7/23. Parked at 3:00 AM and was only headlamp I could see on the trail above tree line. There were several cars in the lot and many Long’s Peak hikers. Very windy and steep then when trail splits to Chasm it gets much easier. Views were breathtaking and this is one of my favorite hikes of all time. Add this one to your list and do it. Sunrise on Long’s was worth it all.

Beautiful views: mountain-backed lakes, harsh ridge lines, and wildflowers. Well-marked trail.

We hiked clockwise, three days, two nights -camped at Bettie Lake and Devil’s Thumb Lake, felt alone at both. Jasper Lake looked like a popular camping spot, and there was a site by the stream right before the off-shoot to Bob and Bettie Lakes if you don’t want to leave the loop. We were skinny-dipping at Devil’s Thumb and realized there was a lone fisherman across the lake getting a great show, haha, but otherwise, camping was very peaceful.

I was thankful for layers because it was really hot during the day, but surprisingly cold as soon as the sun dipped. We made Nalgene hot water bottles to supplement our 20* sleeping bags.

We hiked mid-week (Aug 8-10) and saw more hikers and trail-runners than backpackers. Some people struggling, but then also an older couple of women crushing it, and a Dad with two young kids. I’m a beginner with a heavy pack and ended each day smiling.

Brought my 35lb pup - she wore off her front pads chasing marmot in the rocks... which wouldn’t have been a problem if I had kept her on leash. She loved it. Didn’t see many (any?) dogs out towards the peak, but lots at the trailhead. Leash definitely required for the first bit.

Elevation is no joke, but plenty of places to refill water, so keep drinking!!

Side note: we stopped in Ned on the way home and ate at the Thai restaurant - killer $10 lunch deal!

Arrived at 5:15 am on Saturday and there were a lot of cars parked on the side of the road but still plenty of space. People can't seem to agree on which way to go- I decided to go counterclockwise and I'm very glad I did.

I have been up to Jasper Lake a couple of times but this is the first time I tried the loop. In my opinion the north side of the loop is more scenic. It's best to do it in the morning when the lighting is better and you still have energy. Also I like steep inclines more than steep declines as they're more exciting and less stressful on the knees. Saw a bull moose about halfway up to Jasper Lake. That was pretty terrifying as he was only 25 yards or so off of the trail hidden behind some trees. I snapped a quick picture and got out of there.

The trail is pretty easy. The distance is the hard part. I was feeling pretty haggard on the last 3-4 miles. Got back to the parking lot a little before 3PM. I probably could of finished at 2 if I hadn't of taken so many pictures.

Overall an awesome hike! My favorite one so far

hiking
8 days ago

Second time doing this hike. We got to trailhead at 6 am. Parking lots was full but I parked on the side along the entrance so didn’t have to park down the road. We got to lake at 9am. So took us 3 hrs to get there with minimal breaks. It was sunny and no clouds in the sky. Couldn’t hAve asked for a more perfect weather. There’s definitely an incline and last half mile requires scrambling up rocks but it’s so worth it!! One the best and moderate trails to do!

hiking
9 days ago

Absolutely beautiful - one of the best, if not the best lake hike in Colorado!

We arrived 6am Wed. Parking lot was full. We parked 1/4 mile down the road from the trailhead.

The trail runs 8.4 miles roundtrip per Rocky Mtn Natl park website. It is a moderate hike, IMO (some will find it easy, some hard, depending on conditioning). The final climb to the lake is a steep rock scramble, under 0.2 miles. This portion of the trail is generally intuitive and partially marked by cairns. If you can't ascend, you'll miss the lake but still be treated to the majesty and splendor that lies before you.

PLEASE, PLEASE, PLEASE respect the mountain and weather. I saw one person who had no water or backpack, and people hiking in sandals and one in overalls. If the weather holds, you'll be ok. But cotton is the worst thing you can be wearing if you get wet. Rain means windy and temps in the 40s, or lower.

Be prepared, that includes but not limited to, hiking shoes, plenty of water, food, trail mix, energy bars, rain gear, sunscreen, jacket. Enjoy!

10 days ago

This is definitely not a moderate trail. There's an extended area of narrow trail and you have to do some scrambling that's actually climbing. It's beautiful and challenging!

hiking
10 days ago

This and Mt Ida are my favorite RMNP trails. Really amazing and spectacular. Parking lot was full by 8:15am. We parked about 1/4 mile down the side of the road which isn't too bad. We had perfect weather with clear skies. No dark ominous clouds. Rangers were making trail improvements on a segment of the trail. Turns out they use horses to carry logs up.
Steady incline throughout entire trail with gorgeous view once above tree line. There is excellent view of Long Peaks about 1 mile out where there is also the first privy stop. Great place to take a break. Then the trail flattens a bit along a narrow path by the side of mountain with view of waterfall. The trail crosses on top of that small waterfall. At the base of Chasm lake, there is another privy stop. The last 0.1 mile was a bit of scramble up the rocks to get to Chasm lake. It was steep but that was also quite fun especially knowing that the lake is just above on the other side. Well worth the last bit of scramble.
Took us a little over 3hr to get up (with plenty time to rest and take pictures and absorb the surrounding scenery) and a bit over 2 hrs to get down. We spent a good 40 min by lake to have lunch and soak up the beautiful scenery. Highly recommend.

10 days ago

Amazing hike, started at 4am and got to chasm lake by 7am. Hike is pretty strenuous for someone from the flatland. Overall amazing views and would do this hike over and over again!

11 days ago

Started this hike at 7:25 this morning and finished around 2. Parking lot was full so be prepared. Used this as our practice for Longs Peak and I would rate this hike as hard, not moderate. First portion isn’t difficult. Once you get past the small boulder field and on the actual trail for Chasm it contains some pretty narrow areas but with great views. Some scrabbling is required to get up to the lake and that part of the trail isn’t marked very well. Very easy to get lost in that area. Have plenty of water and sunscreen because that sun can be very hot above tree line. Highly recommend using hiking polls too, I’m 20 years old and an athlete but the polls saved my legs a ton.

rock climbing
12 days ago

my pedometer says 10 miles, and 3500ft vertical. Another Thing To Know Is That This Is A climb, not a hike. you are going up, at least 30 degrees, the entire time. A hike is at least half flat.

storms hit this mountain every day, yes, every single day. I don't Care what your weather app says. bring layers, be prepared for rain and hail, thunder if not lightning. there is a shelter hut by a privvy about 75% of the way up, can't get in but can hide in doorway.

Devote 12 hours to this, bring plenty of food, I recommend caring water cantina and filter, as carrying water up a mountain will be incredibly hard. plenty of people take 2 days on this hike, its a serious physical feat.

hiking
13 days ago

Loved this hike. Did this trail with a friend while our husbands were at the summit. We got to the trailhead at about 6:00am. This was perfect timing, as you’re behind the crowd going to the summit and ahead of the crowd going to Chasm Lake. We got to Chasm Lake around 9:00 and only a few other people were there. So peaceful, and the moon was still up and directly above Longs.

It is high altitude, so could be challenging if you’re not used to that. And you want to start early to get back below the tree line by 1:00 or 2:00 in case of storms

hiking
13 days ago

A little tough in spots but absolutely worth it!

hiking
15 days ago

Hiked this trail last Sunday. The parking lot is comically tiny given the volume of traffic on this trail, so prepare yourself for a hike up the road unless you arrive at dark-thirty. There are super sparkly clean pit toilets at the trailhead, and a spigot for potable water a few hundred feet up the trail after the ranger station.

The trail was heavily trafficked and always very visible - except in the couple hundred feet approaching the lake. I saw a lot of people not turn right with the trail, and then find themselves having to scramble down large boulders to get to the shore. A little bit of scrambling is required during the final ascent to the lake, but it's not terribly treacherous or technical (assuming conditions are good).

The lake itself is fantastic, and worth the trip despite being incredibly crowded. Many other beautiful views along the way, and tons of wildflowers all over. In addition, the trail features the most scenic toilet I've ever come across, near the Longs Peak Trail fork. Caution - it is ruled by a bold group of marmots.

A final note, I'm surprised to see this hike called "moderate". It's absolutely not technically difficult, but it is long, and there aren't a lot of breaks in the elevation gain. It may be moderate in comparison to Longs, but it's not an "average-level" hike compared to other things I've done here in CO.

4 stars for crowds, the parking situation, and quite a bit of horse poop on the trail.

15 days ago

awesome hike, one of my favorites in the park.

I just love it

hiking
20 days ago

Really special hike for a really special place!! I would recommend an early morning start to get guaranteed parking BUT ALSO seeing the sunrise over longs peak as you approach the lake is absolute magic!! also there is almost no chasm traffic early in the morning as most hikers are there that early to try and summit Longs. Because of this, I had the trail and the lake to myself for almost an hour!

22 days ago

great hike. about 2.5 up and 55 min down. I didn't go to the waterfall though.

24 days ago

Beautiful hike!!! Definitely get an early start, parking is limited, and about half of the trail is not shaded! Pretty easy hike until the last 1.7 miles up! Worth it!

I love running this trail. I prefer to do it clockwise. I did it Sat July 21st and started at 6AM. Once I passed the split I didn’t see another person until after the pass - it was a beautiful and peaceful 7 miles until I hit all the people coming up the other way.

Very popular trails with good reason. Plan to get there early or take the shuttle. I went twice this weekend and there are a surprising number of cars there by 6:30am. Lots of overnighters.
I ran the trail in each direction and would recommend going counterclockwise. Devils Thumb Pass is the high point, so the run along the ridge is more favorable if you tackle that first. The climb to the pass is steep, but makes a better climb than descent.
Beautiful flowers and birds are all around and the views and lakes are well worth the effort.

Good trail, lot of exposure so plenty of water and sunscreen a must in hot weather. Also watch out for rattlesnakes, had a close encounter with one today on the trail.

Many of these reviews suggest going a clockwise route and I would whole-heartedly agree. Look up King Lake Trail to Devil's Thumb Trail Loop reviews to read why.

29 days ago

My favorite hike I've ever done. very challenging but doable. loved the rock scramble at the very end up to the lake. my first ever rock scramble. once you get to the boulder field the views will take your breathe away. pictures can never do justice to how amazing it really is. app is a little off, the total round trip distance is about 8.4 miles from the Long's peak trailhead

hiking
1 month ago

Easy to navigate. beautiful scenery. no shade at front end from NCAR. but once you get going there is eventually shade. Lots of wild flowers, butterflies and bees.

hiking
1 month ago

Fantastic hike! Leave early to avoid heat and crowds. We camped at Longs Peak Campground and the next morning walked to the Chasm/Longs Peak Trailhead. Started at 7:30am and meandered the way up. Traffic was OK. Many of the Longs Peak hikers had begun a few hours earlier than us. Had fun scrambling at the end just before the lake. We stayed at the lake watching climbers, eating lunch, and relaxing then began the trek down around 1pm and it was really, really crowded. Cool weather at the lake. Hot on the way down above the tree line, cooler once in the trees. Beautiful views all along the trail! We stopped so many times to take in the scenery. Really great enjoyable hike! July 2018.

Wow, this was one of the fun trails I've done in the past! Unfortunately my phone died while I was recording. The weather was perfect for it, (72F, cloudy) so we were able to handle 90% no share trail was not too bad.

Easy to navigate, So beautiful! Lots of parts that are great for trail running.

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