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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (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%
- bi-directional trail
- no data
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
Contribute Details
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
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Radar Time
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Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x
Missing Trails
Most Popular
Least Popular
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.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
Save the current map location and zoom level as your default home location whenever this page is loaded.
SavePopular Trail Networks
view all areas »Activities Click to view
- Mountain Bike
501 trails
- E-Bike
221 trails
- Horse
210 trails
- Hike
711 trails
- Trail Running
710 trails
- Dirtbike/Moto
46 trails
- ATV/ORV/OHV
47 trails
Stats
- Avg Trail Rating
- Trails (view details)
- 725
- Trails Mountain Bike
- 501
- Trails E-Bike
- 221
- Trails Horse
- 210
- Trails Hike
- 711
- Trails Trail Running
- 710
- Trails Dirtbike/Moto
- 46
- Trails Observed Trials
- 10
- Trails ATV/ORV/OHV
- 47
- Trails Snowmobile
- 12
- Trails Snowshoe
- 37
- Trails Backcountry Ski
- 23
- Trails Nordic Ski
- 33
- Total Distance
- 899 miles
- Total Descent
- 137,795 ft
- Total Vertical
- 8,630 ft
- Highest Trailhead
- 13,460 ft
- Reports
- 12,259
- Photos
- 1,004
- Ridden Counter
- 127,374
Sub Regions
- Allenspark (12)
- Taylor Mountain (9)
- Boulder (180)
- Gunbarrel (24)
- Jamestown (1)
- Ceran Saint Vrain (11)
- Longmont (27)
- Louisville (62)
- Davidson Mesa (16)
- Lyons (21)
- Nederland (76)
- Magnolia (54)
- Mud Lake (5)
- Sugarloaf Mountain (1)
- Tolland (10)
- Niwot (7)
- Superior (13)
- Coyote Ridge (8)
- Ward (27)
- Erie Singletrack (11)
- Gold Hill (5)
Popular Boulder County Mountain Biking Trails
| status | title | difficulty | rating |
|---|---|---|---|
| Upper Bitterbrush Hall Ranch | |||
| Nelson Loop Hall Ranch | |||
| Antelope Hall Ranch | |||
| Lower Bitterbrush Hall Ranch | |||
| Loop Link Betasso Preserve | |||
| Benjamin Loop Betasso Preserve | |||
| Springbrook North Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Springbrook South Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Springbrook Connector Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Coal Seam Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Community Ditch - West Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Picture Rock Heil Valley Ranch | |||
| Mayhoffer Singletree (City) Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Cowdrey Draw Marshall Mesa/Doudy Draw/Flatirons Vista | |||
| Canyon Loop Betasso Preserve |
Boulder County Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Hall Ranch Technical Side Hall Ranch | 10 miles | |
| Buchanan Waterfall out-and-back Brainard Lake and Peaceful Valley | 7 miles | |
| Coney Buchanan Loop Brainard Lake and Peaceful Valley | 11 miles | |
| Hall Ranch: Intermediate Fun Hall Ranch | 7 miles | |
| Marshall Mesa Doudy Draw Loop Marshall Mesa/Doudy Draw/Flatirons Vista | 12 miles | |
| Betasso Loops Betasso Preserve | 7 miles | |
| Hall Ranch Technical Descent Hall Ranch | 12 miles | |
| Super Betasso via Four Mile Betasso Preserve | 15 miles | |
| Waldrop/Snowshoe Loop Brainard Lake and Peaceful Valley | 5 miles | |
| South Saint Vrain - Figure 8 Brainard Lake and Peaceful Valley | 16 miles |
Photos of Boulder County Mountain Bike
trail: Rattlesnake Gulch
300 |
Mar 9, 2019 @ 7:47am
Mar 9, 2019
trail: Walker Ranch Loop
750 |
Mar 9, 2019 @ 7:37am
Mar 9, 2019
trail: Davidson Mesa
112 |
Mar 9, 2019 @ 5:50am
Mar 9, 2019
trail: Canyon Loop
584 |
Apr 13, 2018 @ 7:40am
Apr 13, 2018
trail: Fourmile Link
367 |
Apr 13, 2018 @ 7:40am
Apr 13, 2018
trail: Mayhoffer Singletree (City)
497 |
Jun 6, 2017 @ 1:31pm
Jun 6, 2017
trail: Picture Rock
578 |
Feb 27, 2015 @ 11:08am
Feb 27, 2015
trail: Sugar Magnolia
890 |
Feb 14, 2015 @ 3:33pm
Feb 14, 2015Videos of Boulder County Mountain Bike
trail: David Lee Roth
14 |
Nov 8, 2023
trail: Slopestyle
3 |
Nov 8, 2023
trail: Lower Bitterbrush
|
Nov 8, 2023
trail: Lower Bitterbrush
|
Nov 8, 2023
trail: Lefthand Access 2
|
Mar 4, 2023
trail: Lefthand Access 1
|
Mar 3, 2023
trail: Valmont Paved Pumptrack
|
Mar 28, 2022
trail: Upper Bitterbrush
34 |
Dec 10, 2020
Current Trail Warnings
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Picture Rock Heil Valley Ranch | Nov 27, 2023 @ 1:50pm 1 day | Prevalent Mud | getvert | Closed for muddy conditions. Status will... | |
| Green Line Erie Singletrack | Nov 27, 2023 @ 5:57am 1 day | Snow Covered | WendyBMA BMA | Closed for winter conditions. Will... | |
| Lower Black Erie Singletrack | Nov 27, 2023 @ 5:57am 1 day | Snow Covered | WendyBMA BMA | Closed for winter conditions. Will... |
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Loop Link Betasso Preserve | Nov 26, 2023 @ 3:05pm 2 days | Snow Packed | WendyBMA BMA | ||
| Canyon Loop Betasso Preserve | Nov 26, 2023 @ 3:05pm 2 days | Snow Packed | WendyBMA BMA | ||
| Benjamin Loop Betasso Preserve | Nov 26, 2023 @ 3:05pm 2 days | Snow Packed | WendyBMA BMA | ||
| Slopestyle Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA | ||
| The Glades Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA | ||
| Pump Track (large) Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA | ||
| Skillz Loop Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA | ||
| North Cross County - Gear Down Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA | ||
| North Cross Country - Rivet Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA | ||
| North Cross Country - Start-finish Valmont Bike Park | Nov 24, 2023 @ 7:05am Nov 24, 2023 | Snow Covered | WendyBMA BMA |
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| mountainmonk | wishlist | route | West Magnolia Tour | Nov 27, 2023 @ 4:24pm 22 hours |
| mountainmonk | checkin | route | Easiest Brainard Fatbike Route | Nov 27, 2023 @ 3:34pm 23 hours |
| mountainmonk | ridden | route | Easiest Brainard Fatbike Route | Nov 27, 2023 @ 3:34pm 23 hours |
| getvert | add | report | Picture Rock | Nov 27, 2023 @ 1:53pm 1 day |
| afelipezabalar | wishlist | trail | Lefthand Access 1 | Nov 26, 2023 @ 9:21pm 2 days |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | It's a beast! To much for my old body right... | Nov 23, 2023 @ 8:28am Nov 23, 2023 | ||
| trail | Unfortunately some people are building alt... | Nov 21, 2023 @ 2:53pm Nov 21, 2023 | ||
| trail | iT GoEs FOrReVEer | Nov 2, 2023 @ 1:06pm Nov 2, 2023 | ||
| report | Damp outside, but perfect trail condirions! | Oct 26, 2023 @ 11:43am Oct 26, 2023 | ||
| trail | The first 2 miles of this is a must add on so... | Oct 9, 2023 @ 2:34pm Oct 9, 2023 |
Local Badges
-
Big Ride 30k19,741 awarded -
Epic Ride 50k7,624 awarded -
10 Blue Trails808 awarded -
10 Green Trails911 awarded -
10 Blue Trails269 awarded -
Completionist0 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Valmont Bike Park | skill park | Boulder | |
| Lyons Bike Park | skill park | Lyons | |
| Velosolutions Pump Track Superior, Colorado | skill park | Superior | |
| Twin Lakes Dirt Jump Park | skill park | Gunbarrel |
Local Products
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 501 | 617 miles | 68,655 ft | 264 miles | 6,850 ft | 829 | 12,035 | 76 | 147,593 | |||
| E-Bike | 221 | 341 miles | 22,707 ft | 144 miles | 6,745 ft | 7,077 | 3,565 | |||||
| Horse | 210 | 287 miles | 49,416 ft | 131 miles | 7,887 ft | 2,820 | 45 | 4 | ||||
| Hike | 711 | 888 miles | 135,974 ft | 393 miles | 8,632 ft | 176 | 10,956 | 71 | 11,919 | |||
| Trail Running | 710 | 882 miles | 135,256 ft | 391 miles | 8,632 ft | 3 | 10,954 | 70 | 11,645 | |||
| Dirtbike/Moto | 46 | 117 miles | 11,355 ft | 48 miles | 4,383 ft | 4 | 2,158 | 1 | 29 | |||
| Observed Trials | 10 | 22 miles | 2,238 ft | 10 miles | 1,788 ft | 2 | 21 | 6 | ||||
| ATV/ORV/OHV | 47 | 120 miles | 11,476 ft | 49 miles | 4,383 ft | 2,157 | 1 | 3 | ||||
| Snowmobile | 12 | 31 miles | 2,520 ft | 8 miles | 2,654 ft | 15 | 1 | 1 | ||||
| Snowshoe | 37 | 76 miles | 8,652 ft | 27 miles | 6,309 ft | 1 | 228 | 44 | 182 | |||
| Backcountry Ski | 23 | 47 miles | 2,776 ft | 10 miles | 3,596 ft | 197 | 1,215 | |||||
| Nordic Ski | 33 | 75 miles | 8,566 ft | 27 miles | 3,848 ft | 227 | 10 | 861 |
- By roaming50
& contributors - Admins: jpmcghee, msmcfate, cmcquade, BMA, darmabum, getvert, mpopetz, Pumpntrail, Iowegian
- #15769 - 18,224 views
- boulder county activity log | embed map of Boulder County mountain bike trails | boulder county mountain biking points of interest
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