Explore Next - 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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Was a great little hike. Nice to get away and spend some time alone with God and read my Bible. Glad I made the choice of going out.

great hike. Saw some deer. Cool ruins. Hikers, horses and mountain bikes

Only a few muddy spots on the trail today (4/16/18)
I hiked the loop counterclockwise.
I found this one through...
The “Eldorado Falls” are not well marked. :(
I will definitely do this hike again and spend more time by South Boulder Creek.

Okay hike if you live in Colorado. However, if you are visiting or don’t get outside much- there are much better options! It was cool to see the colors, though.

3 days ago

Forgotten Valley is actually probably only about 3.5 miles round trip. I’d rate it as moderate... plenty of uphill. Beautiful bright blue pond and old houses from the 1800s at the end of the trail. Went 4/16 and no snow. Make sure to keep track of where you turn as there are a few times the trail branches off.

Outstanding trail. Rushing creek, expansive prairie, winding woodsy paths. It’s great, and tiring! Worth it.

Great quick hike! The waterfall was little but very pretty. And the reservoir was absolutely beautiful! Shady in spots but mostly sunny. Also there was no snow and only a few muddy areas on the trail! Got a little confused right before the waterfall (where it gets rocky) but luckily some fellow hikers were there to show us where to climb up. Will definitely be back!

Nice even terrain with decent views... looks like a great place to fish!

It was a short hike but great for what it is. My dog loved it! The water ran next to the entire trail which ended at a small but nice waterfall. Didn’t feel like climbing down the rocks to the reservoir.

Not a ton of people on the trail even during the middle of the day on a Sunday. Well maintained trail and good for trail running.

11 days ago

You can combine this loop, hit the Hidden Hogback Trail, and go to the top of the Butte while your at it and get a nice little 2+ mile hike with a full 360 degree view of Loveland, the foothills and the Rocky Mountains.

This was a beautiful and fairly difficult hike. Lots of wildlife and great streams. no snow on the ground and I went 4/3. I would recommend this to anyone that is in good shape.

16 days ago

Very nice, easy trail. Pleasant stroll.

This is a great trail if you have friends or family visiting Colorado. They will absolutely be fascinated with this.

18 days ago

Great easy hike for my friend, myself and our two dogs!

18 days ago

When up to the start of the ascent and decided not to do the peak. Wind was super strong. No one else was out on the mountain. Snowshoes were extremely helpful (yay Revo Ascent!). Crampons and spikes were not needed on the glacier, though the hike from the parking lot to the lake had some pretty slick spots, especially for non-hiking shoes. Boyfriend brought his skis and took a few runs down the glacier.

As someone mentioned before me, this mapped trail leads to windy peak - which is beautiful. Moderate difficulty, good view from the top. Last about 0.7 mile had packed icy snow. Extra traction would have been helpful, especially on the way down (I ate it once). But doable just in boots. Good hike!

18 days ago

The title Forgotten Valley is misleading as the map shows a route to Windy Peak; Forgotten valley is just to the west of this route and sings along the way will indicate. There is a state park fee to enter this area and parking is available for about 20 vehicles near the trailhead. This route begins on the burro trail and ascends to a junction with mountain lion trail. You take mountain lion up to the north shoulder of windy peak and then it reconnects with burro. Signs lead the way to the summit which raises up to around 9,000ft. There were a few snowy patches and micro spikes would have been helpful for the last half mile. There was skipping and sliding today. Windy peak lived up to its name and provides amazing views to the west across golden gate and to the snowy high altitude peaks beyond. The whole journey took me just under 3 hours including some rest time at the top.

Great little hike to get some vert in with nice views of Boulder Valley. No snow on 3/31, but there were a few muddy areas. All were easily avoidable except the very beginning, where the tunnel under the road was a massive puddle.

Super easy for all ability levels. No gear needed, didn’t touch my snow shoes. Peaceful hike through the woods, not your huge vista finale.

Perfect for an in town hike/stroll.

This trail is perfect for what it is - a short leisurely walk with some nice views close to south Denver. We love to hit this after work with the dogs to catch a sunset (pictures uploaded of some of the better ones). Obviously can't compare to real mountain hikes, but when you don't have the time to drive an hour into the mountains (or don't want to deal with the traffic) it's a great easy local option.

25 days ago

Great trail. Perfect weather today. However, note this tail leads you to the Elk Falls Overlook and not the actual falls. You can get to the falls by using the Chimney Rock trail, which can be found toward the end of where this trail map leads.

Very sweet easy walking trail, some incredible cottonwoods along the path. Perfect place to just do a short jaunt or also could wander a good while. Pretty view of front range beyond the lake was where I had to turn back but I intend to go back soon. :)
FYI Picnic bench at trailhead and trash bins but no other amenities.

mountain biking
25 days ago

One of the more variable MTB rides in the Boulder area, Walker has long been one of my favorite trails. Challenging, beautiful, and technically interesting.

Great views. Easy hike. I wasn’t a fan of the second half being on a service road but overall not bad. I would go again but would hit the other trails in the park instead.

25 days ago

Grab a trail map (AllTrails app and park trails are not the same)
We hiked in with about 30 of us, oldest around 60 & youngest (that completed on his own) was 8. Nice hike to the pond, beautiful overlook, steep down & back to the waterfall. On the way out storms rolled in so we went back the way we came in. Recommend seeing waterfall when ice has melted!

25 days ago

Hiked this trail to catch the sunrise. Beautiful 360 degree views of the plains and mountains. No snow currently. Not a long hike from the trail head... about 20 minutes.

26 days ago

3/24/18 — 3.5 stars. No incredible views or big terrain, but it was a great 4.2 mile walk with the dog. Followed this trail map exactly, but opted to walk the road side first so the rest of the hike would be quiet. Almost everyone went the other way from the start. I was impressed with the mix of terrain. I felt like we hiked through three different seasons. No hiking boots required. There was a total of maybe 100’ of snow/slush on the backside, but it was easy to walk around it. I’ll be back.

Great trail. We took a few detours and ended up a little over 14 miles. But pure beauty! Not very busy and those that were out were very friendly.

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