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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Ridden Direction
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
ContributeDetails
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
LEGEND
Trail Difficulties
Trail Report Status
- Access Road/Trail
- White
- Green
- Blue
- Black
- Double Black Diamond
Trail Report Status
- Clear / Green
- Minor Issue / Yellow
- Significant Issue / Amber
- Closed
- Land Owner Overlay
- Wilderness (typically no bikes in USA)
- BLM (public)
- USFS (Wildlife sanctuaries darker than usfs)
- State land
- Indigenous
- Military
Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
- Map Markers
Trail Head
Photo
Directory Listing
Riding Area
TTF
Parking
Viewpoint
Information
Warning
Directions
Sight
Restrooms
eBike Charging Point
Water Fountain/Source
Gate
Trail Sign
Table or Bench
Ladder
Stairs
Bridge
Camping
Cabin
Lodge
Bear Cache
Dock
Ranger Station
Summit
Other
Popular Trail Networks
view all areas »Region Details
- 78
- 22
- 72
- 64
- 50
- 5
Activities
Region Status
Caution as of 16 hours
Stats
- Avg Trail Rating
- Trails (view details)
- 469
- Trails Mountain Bike
- 293
- Trails E-Bike
- 78
- Trails Hike
- 459
- Trails Trail Running
- 459
- Trails Horse
- 101
- Trails Dirtbike
- 30
- Trails Observed Trials
- 4
- Trails ATV/ORV/OHV
- 31
- Trails Snowmobile
- 4
- Trails Snowshoe
- 23
- Trails Backcountry Ski
- 16
- Trails Nordic Ski
- 25
- Total Distance
- 645 miles
- Total Descent
- 106,700 ft
- Total Vertical
- 8,240 ft
- Highest Trailhead
- 13,212 ft
- Reports
- 3,989
- Photos
- 713
- Ridden Counter
- 38,771
Sub Regions
- Boulder (90)
- Gunbarrel (13)
- Longmont (21)
- Louisville (14)
- Davidson Mesa (4)
- Lyons (19)
- Nederland (65)
- Superior (9)
- Coyote Ridge (9)
- Ward (25)
- High Country (25)
- Erie Singletrack (9)
- Middle Country (30)
Popular Boulder County Mountain Biking Trails
| status | title | difficulty | rating |
|---|---|---|---|
| Upper Bitterbrush Hall Ranch | |||
| Nelson Loop Hall Ranch | |||
| Lower Bitterbrush Hall Ranch | |||
| Wapiti Heil Valley Ranch | |||
| Antelope Hall Ranch | |||
| Canyon Loop Betasso Preserve | |||
| Loop Link Betasso Preserve | |||
| Benjamin Loop Betasso Preserve | |||
| Picture Rock Heil Valley Ranch | |||
| Wild Turkey Heil Valley Ranch | |||
| Coal Seam Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Greenbelt Plateau (North Trail) Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Greenbelt Plateau Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Springbrook North Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Springbrook South Marshall Mesa/Doudy Draw/Flatirons Vista |
Boulder County Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| West Mag Flow Tour Magnolia | 5 miles | |
| Crazy Eights Hall Ranch | 14 miles | |
| Dirty Bismark Marshall Mesa/Doudy Draw/Flatirons Vista | 15 miles | |
| The Van Hagar - Best of Both Worlds! Heil Valley Ranch | 12 miles | |
| Super Betasso Betasso Preserve | 16 miles | |
| Dirty South Marshall Mesa/Doudy Draw/Flatirons Vista | 22 miles | |
| Marshall Mesa Beginner Ride Marshall Mesa/Doudy Draw/Flatirons Vista | 5 miles | |
| West Magnolia Magnolia | 13 miles | |
| Ya great big turkey Heil Valley Ranch | 10 miles | |
| South Saint Vrain - Figure 8 Ward | 16 miles |
Recent Ridelog Activity in Region
Today
- 0 rides
- 0 ft avg distance
Yesterday
- 100 rides
- 19 miles avg distance
Past Week
- 551 rides
- 16 miles avg distance
Photos of Boulder County Mountain Bike
trail: Rattlesnake Gulch
100 |
Mar 9, 2019 @ 7:47am
Mar 9, 2019
trail: Walker Ranch Loop
192 |
Mar 9, 2019 @ 7:37am
Mar 9, 2019
trail: Davidson Mesa
46 |
Mar 9, 2019 @ 5:50am
Mar 9, 2019Videos of Boulder County Mountain Bike
trail: Hot Lap
4:02 |
43 |
Jun 3, 2020
trail: Dog
0:20 |
90 |
May 18, 2020
trail: Left Hand Access
0:17 |
161 |
May 8, 2020
trail: Left Hand Access
|
May 8, 2020
Current Trail Warnings
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Picture Rock Heil Valley Ranch | Jul 29, 2020 @ 8:16am Jul 29, 2020 | Prevalent Mud | provin1327 | A big rain storm on 7/28 has turned this... |
Recent Trail Reports
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Saddle East Lefthand OHV | Aug 2, 2020 @ 12:23pm 16 hours | Dry | geomorphdan | ||
| Springbrook North Rd Marshall Mesa/Doudy Draw/Flatirons Vista | Aug 2, 2020 @ 6:11am 23 hours | Dry | pryhoda | ||
| Left Hand Boulder Valley Ranch / Boulder Reservoir | Jul 30, 2020 @ 8:48am Jul 30, 2020 | Dry | Tomis916 | ||
| Overland Access (S) Heil Valley Ranch | Jul 30, 2020 @ 8:48am Jul 30, 2020 | Dry | Tomis916 | ||
| Overland Loop Heil Valley Ranch | Jul 30, 2020 @ 8:48am Jul 30, 2020 | Dry | Tomis916 | ||
| Schoolhouse Loop Heil Valley Ranch | Jul 30, 2020 @ 8:48am Jul 30, 2020 | Dry | Tomis916 | ||
| Joder Ranch Boulder Valley Ranch / Boulder Reservoir | Jul 30, 2020 @ 8:48am Jul 30, 2020 | Dry | Tomis916 | ||
| Dirt Jumps Valmont Bike Park | Jul 29, 2020 @ 6:01am Jul 29, 2020 | Unknown | WendyBMA BMBA | ||
| Dual Slalom Valmont Bike Park | Jul 29, 2020 @ 6:01am Jul 29, 2020 | Unknown | WendyBMA BMBA | ||
| Pump Track (large) Valmont Bike Park | Jul 29, 2020 @ 6:01am Jul 29, 2020 | Unknown | WendyBMA BMBA |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | Ronindriver | ridden | trail | Walker Ranch Loop | Aug 2, 2020 @ 8:29pm 8 hours |
| theborowski | vote | trail | Sugar Magnolia and 1 more | Aug 2, 2020 @ 7:58pm 9 hours |
 | meverett172000 | wishlist | trail | Rattlesnake Gulch | Aug 2, 2020 @ 6:28pm 10 hours |
| Thomarbau | wishlist | trail | Betasso Link and 3 more | Aug 2, 2020 @ 2:17pm 14 hours |
| Thomarbau | wishlist | trail | Boulder Canyon Trail | Aug 2, 2020 @ 2:16pm 14 hours |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
 | trail | Best when run from south to north but watch... | Jul 20, 2020 @ 7:12am Jul 20, 2020 | ||
| trail | Why on earth would anyone want to climb this... | Jul 19, 2020 @ 1:08pm Jul 19, 2020 | ||
| trail | It’s simple... Clockwise: More fun... | Jul 14, 2020 @ 9:03am Jul 14, 2020 | ||
| trail | The side hits and rock jumps were totally due... | Jul 7, 2020 @ 11:44am Jul 7, 2020 | ||
| trail | Some trail work has been done just past the... | Jul 7, 2020 @ 10:30am Jul 7, 2020 |
Local Badges
-
Big Ride 30k3,832 awarded -
Epic Ride 50k1,614 awarded -
10 Blue Trails218 awarded -
10 Green Trails295 awarded -
Completionist0 awarded -
Epic Ride Climb 2k164 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Lyons Bike Park | skill park | Lyons | |
| Twin Lakes Dirt Jump Park | skill park | Gunbarrel | |
| Valmont Bike Park | skill park | Boulder | |
| Velosolutions Pump Track Superior, Colorado | skill park | Superior |
Local Products
- By roaming50 & contributors
- Admins: chuktA, jpmcghee, BMBA, darmabum, getvert, Pumpntrail
- #15769 - 3,113 views
- boulder county activity log | embed map of Boulder County mountain bike trails | boulder county mountain biking points of interest
- subscribe 3d map donate to earn trail karma!
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