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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
inches
Radar Time
x
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
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.
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Activities Click to view
- Mountain Bike
178 trails
- E-Bike
47 trails
- Horse
110 trails
- Hike
310 trails
- Trail Running
310 trails
Region Details
- 44
- 25
- 41
- 24
- 28
- 13
- 2
Region Status
Caution as of Dec 10, 2022
Stats
- Avg Trail Rating
- Trails (view details)
- 319
- Trails Mountain Bike
- 178
- Trails E-Bike
- 47
- Trails Horse
- 110
- Trails Hike
- 310
- Trails Trail Running
- 310
- Trails Dirtbike/Moto
- 2
- Trails Observed Trials
- 2
- Trails ATV/ORV/OHV
- 2
- Trails Snowshoe
- 1
- Total Distance
- 270 miles
- Total Descent
- 48,980 ft
- Total Vertical
- 3,408 ft
- Highest Trailhead
- 8,476 ft
- Reports
- 6,494
- Photos
- 384
- Ridden Counter
- 62,340
Sub Regions
-
Betasso Preserve
- 4
- 1
-
Boulder Open Space
- 1
-
Boulder Valley Ranch / Boulder Reservoir
- 4
- 6
- 1
-
CU South Campus
- 5
- 5
- 1
-
Lefthand OHV
- 5
- 25
- 11
- 2
-
Marshall Mesa/Doudy Draw/Flatirons Vista
- 1
- 16
- 4
-
Teller Farm Open Space
- 3
-
The People's Crossing Park
-
Valmont Bike Park
- 7
- 8
- 2
-
Walker Ranch
- 1
- 1
- 1
Popular Boulder Mountain Biking Trails
Boulder Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Betasso Loops | 7 miles | |
| Marshall Mesa Doudy Draw Loop | 12 miles | |
| Dirty Bismark | 15 miles | |
| Walker Out-and-Back to Stairs | 11 miles | |
| No Walker Walker | 15 miles | |
| Marshall Mesa Beginner Ride | 5 miles | |
| Marshall Mesa - Beginner Loop | 5 miles | |
| Tour of Boulder Valley Ranch | 10 miles | |
| Intro to LHOHV | 9 miles | |
| North Boulder Dirt Ride | 25 miles |
Photos of Boulder Mountain Bike
trail: ODB
27 |
Dec 17, 2022 @ 1:12pm
Dec 17, 2022
trail: ODB
23 |
Dec 17, 2022 @ 1:12pm
Dec 17, 2022
trail: Rattlesnake Gulch
248 |
Mar 9, 2019 @ 7:47am
Mar 9, 2019
trail: Walker Ranch Loop
592 |
Mar 9, 2019 @ 7:37am
Mar 9, 2019
trail: Canyon Loop
488 |
Apr 13, 2018 @ 7:40am
Apr 13, 2018
trail: Fourmile Link
303 |
Apr 13, 2018 @ 7:40am
Apr 13, 2018
trail: Mayhoffer Singletree (City)
431 |
Jun 6, 2017 @ 1:31pm
Jun 6, 2017Videos of Boulder Mountain Bike
trail: Valmont Paved Pumptrack
|
Mar 28, 2022
trail: Hot Lap
4:02 |
191 |
Jun 3, 2020
trail: Lefthand Access 1
0:17 |
532 |
May 8, 2020
trail: Lefthand Access 1
|
May 8, 2020
trail: The Grind
0:06 |
1060 |
Mar 16, 2020
trail: Dual Slalom
0:41 |
160 |
Feb 25, 2020
trail: Dirt Jumps
0:25 |
195 |
Aug 7, 2019
trail: Dirt Jumps
0:11 |
39 |
Jun 2, 2019
Current Trail Warnings
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Walker Ranch Loop | Jan 15, 2023 @ 1:39pm Jan 15, 2023 | Icy | ktourian | Hike Winter conditions- mixed clear, mud, ice | |
| Ethel Harrold | Jan 15, 2023 @ 5:39am Jan 15, 2023 | Icy | ktourian | Hike Winter conditions- mixed clear, mud, ice |
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Brown Town | Jan 18, 2023 @ 11:23am Jan 18, 2023 | Snow Covered | spencerimre | ||
| GZA | Jan 18, 2023 @ 11:21am Jan 18, 2023 | Variable | spencerimre | ||
| Fourmile Link | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Loop Link | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Canyon Loop | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Bummers Rock Connector | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Betasso Link | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Bummers Rock Connector | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Benjamin Loop | Jan 18, 2023 @ 10:26am Jan 18, 2023 | Snow Packed | WendyBMA BMA | ||
| Left Hand | Jan 17, 2023 @ 1:27pm Jan 17, 2023 | Unknown | WendyBMA BMA |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | GameNite | wishlist | region | Marshall Mesa/Doudy Draw/Flatirons Vista | Jan 30, 2023 @ 7:14am 2 hours |
| Pkfire | comment | trail | The Grind | Jan 28, 2023 @ 9:39pm 1 day |
 | dstrees | vote | trail | South Boulder Creek Path and 3 more | Jan 28, 2023 @ 6:39pm 2 days |
| jacobdko | add | report | Amphitheater Trail and 3 more | Jan 27, 2023 @ 7:52am Jan 27, 2023 |
 | spencerimre | difficultyvote | trail | Halfass | Jan 26, 2023 @ 9:14am Jan 26, 2023 |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
| trail | I thought this climb was called chunky boys... | Jan 28, 2023 @ 9:39pm 1 day | ||
| trail | Very fun trail | Jan 18, 2023 @ 11:21am Jan 18, 2023 | ||
| trail | I decided to hike up this to see how it was... | Jan 15, 2023 @ 5:16pm Jan 15, 2023 | ||
| trail | In my opinion, this trail kind of sucks. At... | Dec 2, 2022 @ 3:24pm Dec 2, 2022 | ||
| trail | Not nearly as loose, wasted, and gravelly as... | Nov 27, 2022 @ 3:39pm Nov 27, 2022 |
Local Badges
-
Big Ride 30k14,159 awarded -
Epic Ride 50k5,443 awarded -
10 Blue Trails625 awarded -
10 Green Trails747 awarded -
Epic Ride Descent 2k556 awarded -
Epic Ride Climb 2k540 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Valmont Bike Park | skill park | Boulder |
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 178 | 170 miles | 24,327 ft | 75 miles | 3,123 ft | #99 | #41 | 318 | 6,409 | 23 | 64,020 | |
| E-Bike | 47 | 52 miles | 3,081 ft | 23 miles | 3,005 ft | #1,588 | #295 | 3,804 | 1,304 | |||
| Horse | 110 | 94 miles | 13,944 ft | 44 miles | 2,979 ft | #77 | #61 | 1,382 | 14 | 1 | ||
| Hike | 310 | 268 miles | 47,661 ft | 117 miles | 3,409 ft | #86 | #44 | 66 | 5,902 | 29 | 5,556 | |
| Trail Running | 310 | 268 miles | 47,661 ft | 117 miles | 3,409 ft | #89 | #44 | 5,902 | 27 | 5,691 | ||
| Dirtbike/Moto | 2 | 7 miles | 1,260 ft | 5 miles | 791 ft | 1,202 | 1 | 1 | ||||
| Observed Trials | 2 | 7 miles | 1,260 ft | 5 miles | 791 ft | 10 | 2 | |||||
| ATV/ORV/OHV | 2 | 7 miles | 1,260 ft | 5 miles | 791 ft | 1,202 | 1 | |||||
| Snowshoe | 1 | 899 ft | 43 ft | 2 | 17 | 8 |
- By canadaka
Trailforks & contributors - Admins: WendyBMA, BMA, darmabum, getvert, jgebben, mpopetz, Pumpntrail, Iowegian
- #4922 - 22,123 views
- boulder activity log | embed map of Boulder mountain bike trails | boulder mountain biking points of interest
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