Explore the most popular trail running trails in Arapaho National Forest with hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers and nature lovers like you.

Road blocked off by snow drifts that are impassable as of May, 19 2018. In a 4 inch lifted jeep it was not possible for us. Come back when its warmer.

We saw 3 moose on this trip! It was fabulous! We started out left too with other hiker’s advice. The other side had more ice and snow. It was much dryer than 10 days ago. Right side did have some ice but not too much. The marsh lands on the back side of the lake were amazing. Found a nice log to grab a bite to eat on next to the river. There were several man made bridges to go over so good balance is required on some. It was a lovely trail. We will be back!

Went in 3.3 mi on May 17 -- conditions good with some snow patches and postholing but easy enough. The creek crossing at ~2.7 mi in was challenging though.

Great place to hike without having to make a valiant climb to reach a summit. Undulates for most of the way, with occasional rough footing but nothing that a novice hiker would be unable to accomplish. The view was great despite the moderate elevation and hiking next to the creek gives a good “naturalistic” feel. Great Frisco hike, conveniently located.

5 days ago

May 15. Very little snow; less than 1% left on the top part of the trail. You must hike until the end...the views are beautiful. Great place to have lunch. First 3.5 miles are all up hill. Enjoy. Instagram ec_boyd

more of a set of Meandering footpaths than a hiking trail. crocus and little yellow and blue flowers in bloom. This is more of a neighborhood stroll, goes through folks backyards depending on the route you take. if you do not have a good sense of direction, make a note of which forks you take as it can get confusing on the way back. mostly exposed so bring a hat and sunscreen and water. Could be nice for running on your long run day. not much elevation gain, pretty wide vistas. goes through mostly Meadows in the beginning.

on St. Mary's Glacier

6 days ago

I usually agree with the average rating on AllTrails but not in this case. Yes it is close to Denver but this is overrated on all accounts. Drive an extra 20-30 minutes for many more options.

Super cool to see a glacier! Great hike for someone who wants epic views without it taking a chunk of your day. The trail was icy/slushy when we went 5/13/18 but nothing terrible in hiking boots!

8 days ago

We hiked this trail today. Was amazing! Still some snow up top and good hiking shoes needed for sure as some of the piles are still deep. Also some water crossing you will get wet if not careful. This trail is a lot of up up up for the first 3 miles. But it’s worth it. We didn’t actually see anyone else out there til we were on our way back, which is perfect for those of us that like the path less taken. Happy Trails!

Trail head has Portal Potties (not the cleanest). $5 fee to park (Honor System). The trail is pretty steep and rocky in the beginning but not bad at all. Once you reach the top it's amazing. Mountains were covered in snow. The trail is covered in snow, some slush but no ice..snow is very very slippery in sneakers so wear boots. At the top you can ski down, snow board or just slide down. The lake was half frozen. Beautiful pictures on this trail. Trail had moderate traffic. Definitely coming back when snow is melted.

fun trash bag sledding!

Enjoyable, yet early- sunken steps.

Nice trail and enjoyed the falls. The only thing missing were nice vista views

10 days ago

Went on May 7 2018. We went clock-wise around the lake. The left side was a lot easier and drier. The right side still had snow on many parts of the trail. We saw many tracks (and scate) on the right side, I'm not an expert but several looked like moose & elk , but pointed out to my wife a couple in the soft mud looked like fresh bear tracks, which got my attention. Due to the many patches of snow still on the trail on the right side of the lake it was a lot harder walk. We never saw a moose while on the trail, but someone we passed latter told us they saw one right on the trail on the right side around the 4-5 o'clock position of the trail right after they passed us. On the walk back down the road from the trail head to the campground we saw a moose on the left side right where a stream or creak dumps into a very large Creek that makes a large bend next to the gravel road. It was a bull with no antlers. We watched him for about 15 min as he crossed the little stream and came towards the road eating brush along the way. The trail will be a bit easier in late spring, summer and fall, without the snow. Pay close attention to the signs at trail junctions, they don't always call out Monarch Lake Trail Loop by name, (they should), so make sure you're going the right way to stay on the loop trail. Bring snacks and water.

11 days ago

Simple, beautiful hike. My favorite to do with family and friends coming in from out of state because even the out of shape of us can handle it and it’s an incredible pay off.

11 days ago

Beautiful little trail. Definitely wear some waterproof boots.. lots of little streams and snow on the trail. Otherwise great views ! 5$ parking bring exact change !

11 days ago

Awesome trail during the week! Little to no traffic and great picnic spots!

Went up 5/5/18, arrived around 1pm, the trail mostly dry with the occasional patches of snow at first. About 2 miles up you’ll see significantly more snow and might want to consider poles for stability, however we made it up just fine no yak traks or poles. Eventually the snow fall is too much and you’ll loose the trail, you can’t continue up to Gore Range. Easy to moderate hike, only two hours at most if you take your time and maybe detour a bit. Trail follows the river majority of the time, plenty of places to pull off and enjoy the views. Moderately trafficked, we only saw a hand full of people on the trail however the parking lot is small so it fills up fast. Great for all skill ranges and ages.

13 days ago

Excellent hike through pine forest opening up at the top in a meadow with mountains directly to the south and to the east. The incline is steady throughout and gentle enough to make the entire trip fairly relaxing, yet with enough climb to get the heart going! Snow patches are frequent after about 10,600 feet. Snowshoes weren't necessary, neither were spikes. Although I think the trip would have been a little more comfortable with some gators to help keep the feet dry. The end of the marked trail lands you in an area that would be ripe for further exploration, but we were short on time and so we headed back down after
a snack and a sit at the top. The way down was quite a bit sloppier than the way up as the afternoon sun encouraged more rapid snowmelt. The whole journey took us around 4.5 hours including a short break at the top.

Decent trail length (4.2 miles) and incline. We started the hike Sunday morning at 9 am and the parking lot was already filling up, but the trail wasn’t too crowded yet. The falls are still partially frozen with water flowing underneath the ice. There are great views from the Cliff Overlook trail, but there are places where the trail is a bit confusing and not clearly marked. I recommend getting an early start (9 or earlier) before the crowds show up. It took us about 2.5 hours with a small snack break in the middle.

14 days ago

Absolutely beautiful hike! We were originally looking for something mellow so we choose this trail because it was rated on here as easy, and I gotta say it should definitely be rated harder in the winter. In early April the entire trail is still packed with feet of snow, making it very tough to walk. We put in a good 7 miles on this hike, going past the meadow to the mohawk lake trail towards the Continental Falls. There's an amazing cabin some ways up, and from here we walked through knee deep snow all the way up to the top. Had we known what we were getting into, we would've brought snowboard gear to ride down, so many solid tree runs just waiting to be hit. Perfect backcountry riding! Will definitely be back next season to shred this majesty

Amazing views! Lots of snow, bring water proof boots

I loved this trail .. it was a awesome starter trail. I have only hiked a few times but this one wasn’t to hard and it was very easy to follow the trails !

19 days ago

Didn't make it all the way there but that's okay! Very pretty views. My buddy and I had a bit of a hard time finding the trailhead for some reason, but its in the middle of the picnic area to the right next to a no camping sign.

Snow is deep about 2 miles up. Already some dry sun drenched campsites around 1.5 miles.

Breath- taking hike, and didn’t see a single other person. 4 wheel drive road is closed, adds a little under a mile each way to the hike. Snowshoes helpful, but not necessary. Pretty easy trail to follow, but helpful to have a gps/map to find the last lake, as the trail was unmarked.

My doggo and I really enjoyed this trail. There are sections of the trail that open up nicely and are pretty wide, was very relaxing to walk through on a Tuesday afternoon. The falls are still frozen, can’t wait for summer so I can see it flowing. Happy to have found this trail.

Hiked from I-70 in mid April as the road to trailhead was not accessible even with a 4x4 due to mix of snow and Ice. But as Temps rise it should clear. Check with Ranger's office to get updated information on the road conditions. Amazing views from the trailhead to the peak. Recommend snowshoes and microspikes if hiking in winter conditions. Definitely worth giving a try.

Husband and I with our pup hiked this trail. Very enjoyable. The falls are melting some and the streams are fun for our dog.

The falls were still frozen today, but no snow on the trail at all! There isn’t a trash at the trailhead, so be prepared to pack your dog poop out! There were so many dog poop bags along the side of the trail that people just left. It was VERY busy (Sunday).

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