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Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
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The intended direction a trail should be ridden.
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Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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        Activities Click to view
        Region Details
        • 2
        • 1
        • 4
        • 8
        • 2

        Region Status
        Open as of 2 days
        Local Trail Association

        Stats

        Avg Trail Rating
        Trails (view details)
        38
        Trails Mountain Bike
        19
        Trails Horse
        3
        Trails Hike
        38
        Trails Trail Running
        38
        Total Distance
        56 miles
        Total Descent
        7,801 ft
        Total Vertical
        1,674 ft
        Highest Trailhead
        6,991 ft
        Reports
        2,953
        Photos
        287
        Ridden Counter
        21,382

        Articles

        Boulder County Proposes Major Trail Restrictions for Mountain Bikers
        May 11, 2026 from pinkbike.com
        Access at Hall Ranch and Heil Valley is under fire. Learn how a "design problem" is being treated as a "user problem" and how you can take action.
        Sub Regions

        Popular Lyons Mountain Biking Trails

        100 4.2 1 mile 448 ft 2,425
        Upper is a bi-directional trail used to access the at the top of Hall ranch. The climb up is smooth, sustained, and easy. The descent is very fast and fun, mostly smooth with only one or two rocky sections!
        100 4.6 2 miles 323 ft 2,310
        is when the fun descending of Hall Ranch begins! Climb all the way up to and prepare for a fast descent the entire way down! This trail is a bi-directional loop but is best when ridden in a clockwise direction. If it has rained or...
        95 3.8 4,931 ft 0 ft 2,040
        is a fun trail both climbing and descending. This trail is mostly used as an alternative to climbing or descending the very technical Lower trail and can be used to access the upper parts of Hall ranch. Expect fun twisty singletrack,...
        90 4.5 2 miles 61 ft 1,911
        Very deserving of its black diamond rating. Lower reminds me of desert riding in southern Utah, almost like a steeper version of UPS/LPS in Moab. Suffice it to say, there are many technical rock features, interspersed with brief patches...
        85 3.9 5 miles 990 ft 1,433
        is a critical link trail out of Lyons. It's insanely popular, but for a good reason. Want to ride out of town and do some miles and come back for a beer? This trail has your name on it! It's sort of a Jekyll and Hyde trail. The bottom...
        80 3.5 2 miles 526 ft 1,333
        Voted one of the best after-work trails in Boulder County (well, by just one dude who wrote this), and also one of the most filling-removing trails in Boulder County by everyone with a hardtail bike, is an action-packed,...
        60 3.5 3 miles 291 ft 1,137
        This trail is a really hoot! You can't go wrong adding this to your ride at Heil! So many people want to ride this clockwise (from the overlook past and then up to ), but they are missing out. Okay, to be clear going clockwise is fun....
        40 4.0 3 miles 269 ft 696
        Fast and flowy through the trees. The sits on top of a mesa and is accessible either from the south via Left Hand canyon and the trail or from the north via Lyons and the trail. The Boulder Mountainbike Alliance has done extensive rock...

        Recent Ride Log Activity in Region

        Today
        • 4 rides
        Yesterday
        • 11 rides
        Past Week
        • 77 rides

        Lyons Mountain Bike Routes

        5.0 10 miles 1,594 ft 6 Out & Back
        Tackling Hall Ranch up aka "The Rock Garden" bumps this intermediate/advanced area into solid double...
        4.4 7 miles 1,191 ft 5 Out & Back
        This is an great alternative if you're not up to the black diamond challenge. It's primarily uphill all...
        3.8 12 miles 1,670 ft 5 Loop
        By far the best way to ride Hall Ranch. This ride is best started by parking in the town of Lyons either...
        3.0 8 miles 1,028 ft 4 Out & Back
        A fun ride through the fastest and most technical parts of Heil Ranch. From the main parking lot climb the...
        5.0 12 miles 1,402 ft 6 Loop
        Before the 2020 Calwood Fire, this was a favorite after-work route for the big kids. The post fire...
        The Diamond Dave Featured
        2.0 10 miles 1,246 ft 5 Loop
        This was a really popular route at Heil before the 2020 Calwood fire. It's great for putting on more miles...

        Photos of Lyons Mountain Bike

        20 |
        Jun 3, 2026 @ 11:49am
        Jun 3, 2026
        23 |
        Jun 3, 2026 @ 11:18am
        Jun 3, 2026
        16 |
        Jun 2, 2026 @ 2:41pm
        Jun 2, 2026
        36 |
        Apr 11, 2026 @ 12:49pm
        Apr 11, 2026
        21 |
        Apr 11, 2026 @ 12:48pm
        Apr 11, 2026
        41 |
        Feb 9, 2026 @ 8:52pm
        Feb 9, 2026
        108 |
        Jun 24, 2025 @ 9:24am
        Jun 24, 2025
        91 |
        Jun 24, 2025 @ 9:24am
        Jun 24, 2025
        82 |
        Jun 20, 2025 @ 7:47am
        Jun 20, 2025
        771 |
        Feb 27, 2015 @ 11:08am
        Feb 27, 2015
        1,038 |
        Dec 24, 2014 @ 8:58am
        Dec 24, 2014
        617 |
        Jun 4, 2013 @ 10:07pm
        Jun 4, 2013

        Videos of Lyons Mountain Bike

        Rolls at hall
        0:05 | 48 | Jan 10, 2026
        0:16 | | Nov 8, 2023
        0:12 | | Nov 8, 2023
        Western
        2:33 | 35 | Dec 10, 2020
        Hall Ranch dawn session
        0:00 | 185 | Jan 11, 2017
        Rigid is as rigid does
        8:26 | 182 | Oct 24, 2016
        Ponderosa Loop - Clockwise
        14:18 | 36 | Mar 14, 2026 , Lyons
        Wapiti
        trail: Wapiti
        10:54 | 22 | Mar 8, 2026 , Lyons

        Recent Trail Reports

        Activity Feed

        usernameactiontypetitledate
        russwilliams34addreportactivity #97159881
        Jun 16, 2026 @ 8:30pm
        2 days
        switxcraftwishlistregionactivity #96957039
        Jun 14, 2026 @ 5:13am
        Jun 14, 2026
        BryanNSlzTPwishlistrouteactivity #96910661
        Jun 13, 2026 @ 1:19pm
        Jun 13, 2026
        dougherptwishlistrouteactivity #96907746
        Jun 13, 2026 @ 12:48pm
        Jun 13, 2026
        tshralperaddreportactivity #96732146 and 4 more
        Jun 11, 2026 @ 6:08am
        Jun 11, 2026

        Recent Comments

        usernametypetitlecommentdate
        marinojoeytrailPicture RockI ride this trail a couple of times a month. I...
        Apr 3, 2026 @ 11:38am
        Apr 3, 2026
        marinojoeytrailPicture RockTRUE
        Apr 3, 2026 @ 11:33am
        Apr 3, 2026
        WendyBMAreportOverland LoopThanks, that's a biggun'!
        Oct 21, 2025 @ 10:42am
        Oct 21, 2025
        MattreA3k8trailPicture RockNice trail but pretty crowded. As a beginner,...
        Oct 5, 2025 @ 3:40am
        Oct 5, 2025
        JeffbardtrailPonderosa LoopAwesome trail! A lot of work put into...
        Sep 27, 2025 @ 8:23am
        Sep 27, 2025

        Local Badges


        Activity Type Stats

        activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
        Mountain Bike1831 miles3,281 ft11 miles1,493 ft
        #1,143#4412902,9101429,211
        Horse35 miles322 ft1 mile1,047 ft
        74662
        Hike3854 miles7,726 ft22 miles1,673 ft
        92,89581,136
        Trail Running3854 miles7,726 ft22 miles1,673 ft
        #3,683#1,0982,8948612

        Frequently Asked Questions About Lyons

        What are the best places to ride in Lyons?
        Lyons has 3 areas to explore for mountain biking. The top rated areas are:
        What are the highest rated mountain biking trails in Lyons?
        The highest rated mountain biking trails in Lyons are: View all mountain biking trails sorted by rating.
        What is the best time of the year to ride in Lyons?
        Based on ride log data, the most popular months to ride in Lyons are:
        • July (216 activities)
        • August (168 activities)
        • June (167 activities)
        Check the Lyons reports page for current trail conditions, recent trail reports, and seasonal information from the local community.
        Where can I park to ride in Lyons?
        There are 7 parking locations listed in Lyons. The most popular parking spots are: View all parking and trailhead locations on the map to plan your visit.
        • By jdeg & contributors
        • Admins: BMA, amrosen, getvert, mpopetz, Pumpntrail, andrewbikeboulder, Skyryk, Iowegian, 303JL
        • #15522 - 10,449 views

        Downloading of trail gps tracks in kml & gpx formats is enabled for Lyons.
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