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bigmoptrailBergen PeakRidiculously fun downhill. It’s an old school chunky rocky and rooty descent. Not sure it’s a black diamond, more like a blue/black at most...
Jul 3, 2026 @ 10:59pm
Jul 3, 2026
billclintonsgftrailSouth St VrainA hidden gem. Mostly doable climb too.
Jun 23, 2026 @ 12:26pm
Jun 23, 2026
bigmoptrailMountain Lion (Upper)This trail is horrible. It’s a hiking trail they allow mountain bikes on.
Jun 22, 2026 @ 5:40pm
Jun 22, 2026
EvanXZO4lHtrailMountain Lion (Upper)This is a super rocky hiking trail that felt like work, not play. Not worth the loose, steep, unpleasant climb. The wooden bridges over the creek..
Nov 16, 2025 @ 9:36pm
Nov 16, 2025
JeffbardtrailPonderosa LoopAwesome trail! A lot of work put into excellent rock work! Must ride trail system!
Sep 27, 2025 @ 8:23am
Sep 27, 2025
negativenellytrailBetasso LinkReally fun going downhill. Not easy but not hard. Nothing mandatory/scary.
Aug 19, 2025 @ 3:42pm
Aug 19, 2025
pburnstrailMountain Lion (Upper)Mt Lion can be a cure to what ails the modern rider, suffering from the mundane boredom of contemporary trails that all start to feel the same. If..
Jul 26, 2025 @ 6:08pm
Jul 26, 2025
tomthetrailridertrailMountain Lion (Upper)Why is there so many bridges to cross the same creek? Just pick one side of the creek and stick with it. The downhill section was interesting at..
Nov 3, 2024 @ 7:34pm
Nov 3, 2024
jacobp95trailMountain Lion (Upper)This is not a very smooth trail, and the climb up is brutal. It is challenging and great exercise, but I found myself dismounting from my bike for..
Sep 17, 2024 @ 9:22am
Sep 17, 2024
bikebaronesstrailMountain Lion (Upper)The climb to the top is a loose, steep, technical slog at high elevation. It's full of hikers. You'll probably need to wash your bike after riding..
Jun 20, 2024 @ 1:41pm
Jun 20, 2024
your-pal-altrailMountain Lion (Upper)Fun and technical descent. Like many of the more technical descents in the area, the climb to get there is brutal. The first plunge from the summit..
Jun 17, 2024 @ 10:50am
Jun 17, 2024
scooterb3trailMountain Lion (Upper)I have only ridden a few areas of Colorado but this was by far my favorite trail. Steep technical and challenging. The decent was well worth th..
May 5, 2024 @ 4:59pm
May 5, 2024
ronbronxEneVKtrailBetasso LinkIt's a beast! To much for my old body right out of the car. The initial bottom section of rock ramps kick up to my maximum tilt on a bike. Powering..
Nov 23, 2023 @ 8:28am
Nov 23, 2023
mrvwbugtrailBergen PeakIf you like Evergreen Mountain but want a bigger, rowdier version of it, this is your trail. Out and back it, or go up Too Long. Don't go down..
Oct 15, 2023 @ 10:10pm
Oct 15, 2023
PusspussonafullsusstrailBetasso LinkThis is a blue trail not a black. Never trust a BMA trail rating
Aug 10, 2023 @ 9:27am
Aug 10, 2023
PusspussonafullsusstrailBetasso LinkBMA is full of nonsense, and people that can't ride like their Pres, this isn't even remotely close to a black lol. This is an easy blue. Also..
Apr 23, 2023 @ 8:00am
Apr 23, 2023
JDCMTB2007 RIDEBHMtrailMountain Lion (Upper)This trail is awful. 0 smooth sections and the climb is horrendous. Do not waist your time on this trail unless you want to waist all of your..
Oct 20, 2022 @ 7:49am
Oct 20, 2022
PusspussonafullsusstrailMountain Lion (Upper)It's a climb in and a climb out with a down-country section that's a blue at best. Not sure why these Front Range Trails are getting black ratings..
Oct 11, 2022 @ 5:55am
Oct 11, 2022
Jenna-mooretrailBetasso LinkGot my ass handed to me on this route to canyon loop Highly recommend.
Nov 9, 2021 @ 3:41pm
Nov 9, 2021
TSole12trailSouth St VrainMost of the trail is a black diamond, some super technical sections which definitely qualify as a double black. Lots of fun if you like janky tech
Oct 9, 2020 @ 7:34pm
Oct 9, 2020
provin1327trailPonderosa LoopSuch a fun trail. You have to work for your speed at the beginning and some of the corners are a bit flat and loose but they have more grip than..
Aug 26, 2020 @ 7:18pm
Aug 26, 2020
bocomtbtrailBergen PeakBetter as a climb than a descent. Ride this up and take Too Long down.
May 30, 2020 @ 10:08am
May 30, 2020
beubeuxtrailMountain Lion (Upper)Ride West to East, not the direction proposed by Trailforks. The climb at the beginning is steep, rocky and loose, expect to hike a bike a lot. The..
May 16, 2020 @ 4:49pm
May 16, 2020
bocomtbtrailBetasso LinkSteep, kinda loose, well armored. Southern exposure so it melts out quickly during the winter. This is one of the best trails on BCOS land and..
Oct 18, 2019 @ 3:57pm
Oct 18, 2019
anthobroncostrailSouth St VrainThere's only one short section of trail which qualifies as a double black. The rest is squarely a single black. Overall grade is low but steady...
Feb 24, 2019 @ 9:35am
Feb 24, 2019