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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 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
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
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.
Grand County Colorado
Activities Click to view
- Mountain Bike
274 trails
- E-Bike
20 trails
- Hike
171 trails
- Trail Running
169 trails
- Horse
31 trails
- Dirtbike/Moto
9 trails
- ATV/ORV/OHV
2 trails
- Snowmobile
1 trails
- Snowshoe
2 trails
- Nordic Ski
2 trails
Stats
- Avg Trail Rating
- Trails (view details)
- 297
- Trails Mountain Bike
- 274
- Trails E-Bike
- 20
- Trails Hike
- 171
- Trails Trail Running
- 169
- Trails Horse
- 31
- Trails Dirtbike/Moto
- 11
- Trails ATV/ORV/OHV
- 2
- Trails Snowmobile
- 1
- Trails Snowshoe
- 2
- Trails Nordic Ski
- 2
- Total Distance
- 415 miles
- Total Descent
- 94,831 ft
- Total Vertical
- 5,168 ft
- Highest Trailhead
- 12,730 ft
- Reports
- 1,770
- Photos
- 844
- Ridden Counter
- 65,702
Popular Trail Networks
view all areas »Sub Regions
- Fraser (32)
- Devil's Thumb Ranch (10)
- Elk Creek (17)
- Granby (92)
- Granby Ranch (59)
- Troublesome (2)
- Kremmling (3)
- Winter Park (73)
- Trestle Bike Park (57)
- Vasquez (22)
- Fraser Valley (17)
- Idlewild (24)
- St. Louis Creek (4)
Popular Grand County Mountain Biking Trails
| status | title | difficulty | rating |
|---|---|---|---|
| Boot Camp Trestle Bike Park | |||
| Beall Ucanb Trestle Bike Park | |||
| Free Speech Fraser Valley | |||
| Lower Long Trail Trestle Bike Park | |||
| No Quarter Fraser Valley | |||
| Jury Duty Trestle Bike Park | |||
| Shy Ann Trestle Bike Park | |||
| Blue Crush Trestle Bike Park | |||
| Rainmaker (Middle) Trestle Bike Park | |||
| Turnpike Road Trestle Bike Park | |||
| Long Trail Fraser Valley | |||
| Rainmaker (Lower) Trestle Bike Park | |||
| Free Speech (Lower) Fraser Valley | |||
| Spicy Chicken Trestle Bike Park | |||
| Sunspot Road Trestle Bike Park |
Grand County Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Creekside Combo Demo Idlewild | 15 miles | |
| G3 Stage-3 Loop-2 and Finish Idlewild | 11 miles | |
| Brute Squad 50 - Part 1 Fraser | 33 miles | |
| Brute Squad 50 - Part 2 Trestle Bike Park | 20 miles | |
| Fun Winter Park Loop Winter Park | 15 miles | |
| WP good loop east Idlewild | 8 miles | |
| Winter Park Classics - King of the Rockies 2021 race Winter Park | 25 miles | |
| Big Mountain Enduro - Winter Park 2021 race Trestle Bike Park | 16 miles | |
| Big Mountain Enduro - Winter Park 2019 race Trestle Bike Park | 12 miles | |
| 2019 USAC Nationals Enduro Course race Fraser Valley | 19 miles |
Photos of Grand County Mountain Bike
trail: The Boulevard
466 |
Feb 2, 2018 @ 2:55pm
Feb 2, 2018
trail: Rainmaker (Upper)
107 |
Aug 24, 2017 @ 11:34am
Aug 24, 2017
trail: Green World
101 |
Aug 3, 2017 @ 4:07pm
Aug 3, 2017
trail: Rainmaker (Middle)
98 |
Sep 26, 2016 @ 11:21am
Sep 26, 2016
trail: Rainmaker (Upper)
93 |
Sep 20, 2016 @ 8:51pm
Sep 20, 2016
trail: The Boulevard
166 |
Aug 25, 2016 @ 8:13pm
Aug 25, 2016
trail: Silky Johnson
141 |
Aug 23, 2016 @ 9:30pm
Aug 23, 2016
trail: Double Jeopardy
239 |
Sep 18, 2009 @ 7:26pm
Sep 18, 2009Videos of Grand County Mountain Bike
trail: Rainmaker (Middle)
204 |
Oct 5, 2021
trail: Banana Peel
60 |
Sep 21, 2021
trail: Paper Boy
8 |
Sep 13, 2021
trail: 36th Chamber
27 |
Sep 12, 2021
trail: 36th Chamber
15 |
Sep 10, 2021
trail: 36th Chamber
13 |
Sep 10, 2021
trail: 36th Chamber
11 |
Sep 10, 2021
trail: Rainmaker (Upper)
30 |
Aug 26, 2021
Current Trail Warnings
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Salad Bowl East Granby | Oct 16, 2021 @ 12:41pm Oct 16, 2021 | Freeze/thaw Cycle | rossevan |
Recent Trail Reports
| status | trail | date | condition | user | info |
|---|---|---|---|---|---|
| Crosstrails Access Grand County | Oct 20, 2021 @ 2:15pm 2 days | Variable | rossevan | ||
| Crosstrails Idlewild | Oct 20, 2021 @ 2:15pm 2 days | Prevalent Mud | rossevan | ||
| Fraser River Trail - North Grand County | Oct 16, 2021 @ 12:41pm Oct 16, 2021 | Variable | rossevan | ||
| USFS 2751 Granby | Oct 16, 2021 @ 12:41pm Oct 16, 2021 | Wet | rossevan | ||
| Phase .5 Granby | Oct 16, 2021 @ 12:41pm Oct 16, 2021 | Freeze/thaw Cycle | rossevan | ||
| Bottom of the Bowl Granby | Oct 16, 2021 @ 12:41pm Oct 16, 2021 | Wet | rossevan | ||
| Salad Spinner Granby | Oct 16, 2021 @ 12:41pm Oct 16, 2021 | Freeze/thaw Cycle | rossevan | ||
| Phase .25 Granby | Sep 25, 2021 @ 2:02pm Sep 25, 2021 | Dry | mkadilla | ||
| Sundog Vasquez | Sep 25, 2021 @ 11:48am Sep 25, 2021 | Very Dry | rossevan | ||
| Akima's Way Vasquez | Sep 25, 2021 @ 11:48am Sep 25, 2021 | Very Dry | rossevan |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | Barbi0722 | ridden | trail | South Fork Loop | Oct 22, 2021 @ 12:21pm 3 hours |
 | rossevan | add | report | Crosstrails | Oct 20, 2021 @ 4:04pm 2 days |
| rossevan | add | report | Crosstrails Access | Oct 20, 2021 @ 4:04pm 2 days |
 | briceshirbach | add | video | All Play, No Work. | Oct 19, 2021 @ 1:29pm Oct 19, 2021 |
 | trestlekrew | ridden | trail | Froot Loop | Oct 17, 2021 @ 12:10pm Oct 17, 2021 |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
| trail | I stand by my comment above! Either dumb the... | Oct 2, 2021 @ 10:04am Oct 2, 2021 | ||
 | trail | South end of crosstrails is closed for... | Aug 31, 2021 @ 3:17pm Aug 31, 2021 | ||
| trail | Great trail! Like a straight pump track, it is... | Aug 14, 2021 @ 6:39am Aug 14, 2021 | ||
| trail | Not space force! | Aug 10, 2021 @ 1:37am Aug 10, 2021 | ||
| trail | This trail should be renamed to believe in... | Aug 7, 2021 @ 12:37pm Aug 7, 2021 |
Local Badges
-
Epic Ride Descent 2k3,001 awarded -
10 Black Trails725 awarded -
Big Ride 30k3,084 awarded -
10 Blue Trails947 awarded -
Epic Ride 50k753 awarded -
Big Ride 30k360 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Granby Ranch | bike park | Granby | |
| Trestle Bike Park | bike park | Winter Park |
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 274 | 329 miles | 69,721 ft | 168 miles | 4,711 ft | 802 | 1,768 | 17 | 26,956 | |||
| E-Bike | 20 | 43 miles | 5,705 ft | 19 miles | 2,736 ft | 1,508 | 84 | |||||
| Hike | 171 | 272 miles | 56,430 ft | 134 miles | 5,167 ft | 33 | 1,729 | 1 | 1,120 | |||
| Trail Running | 169 | 272 miles | 56,430 ft | 134 miles | 5,167 ft | 1,729 | 136 | |||||
| Horse | 31 | 101 miles | 24,649 ft | 49 miles | 5,082 ft | 537 | 1 | |||||
| Dirtbike/Moto | 9 | 28 miles | 3,786 ft | 13 miles | 4,124 ft | 524 | 5 | |||||
| ATV/ORV/OHV | 2 | 21 miles | 2,940 ft | 10 miles | 2,667 ft | 517 | 2 | |||||
| Snowmobile | 1 | 1 mile | 404 ft | 4,593 ft | 404 ft | 1 | 2 | |||||
| Snowshoe | 2 | 3 miles | 722 ft | 2 miles | 587 ft | 3 | 55 | |||||
| Nordic Ski | 2 | 3 miles | 722 ft | 2 miles | 587 ft | 3 | 2 | 1,170 |
- By robbinsdr GMBA & contributors
- Admins: jpmcghee, msmcfate, cmcquade, GMBA, STT
- #12863 - 3,364 views
- grand county activity log | embed map of Grand County mountain bike trails | grand county mountain biking points of interest
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