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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- 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
US Cell Coverage
Legend
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
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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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.
SaveGrand County Colorado
Activities Click to view
- Mountain Bike
278 trails
- E-Bike
138 trails
- Horse
55 trails
- Hike
199 trails
- Trail Running
191 trails
- Dirtbike/Moto
10 trails
- ATV/ORV/OHV
52 trails
- Snowmobile
8 trails
- Snowshoe
17 trails
- Nordic Ski
60 trails
Stats
- Avg Trail Rating
- Trails (view details)
- 360
- Trails Mountain Bike
- 278
- Trails E-Bike
- 138
- Trails Horse
- 55
- Trails Hike
- 199
- Trails Trail Running
- 191
- Trails Dirtbike/Moto
- 25
- Trails Observed Trials
- 40
- Trails ATV/ORV/OHV
- 52
- Trails Snowmobile
- 8
- Trails Snowshoe
- 17
- Trails Downhill Ski
- 2
- Trails Backcountry Ski
- 8
- Trails Nordic Ski
- 60
- Total Distance
- 567 miles
- Total Descent
- 99,865 ft
- Total Vertical
- 5,687 ft
- Highest Trailhead
- 13,249 ft
- Reports
- 2,405
- Photos
- 831
- Ridden Counter
- 126,920
Articles
Colorado's 5 Most Popular Trail Networks According to Trailforks Data
Oct 20, 2021 from pinkbike.com
Colorado is the eighth most expansive of the 50 states by area and is home to 53 different mountain peaks in excess of 14,000 feet above sea level.
Video: Trestle Bike Park Announces Opening Weekend
Jun 25, 2020 from pinkbike.com
It's bike park season again in Colorado.
Trestle Bike Park Announces June 27th Opening Date
Jun 5, 2020 from pinkbike.com
The bike park will be operating 7 days a week, starting at the end of this month.
Video: Behind the Scenes with Intense Factory Racing as Neko Mulally Defends his US National Champ Title
Aug 1, 2019 from pinkbike.com
The pressure was on for the defending champ.
Popular Trail Networks
view all areas »Sub Regions
- Fraser (40)
- Devil's Thumb Ranch (10)
- St. Louis Creek (5)
- Granby (84)
- Granby Ranch (62)
- Troublesome (2)
- Kremmling (5)
- Tabernash (14)
- Phases (14)
- Winter Park (117)
- Fraser Valley (19)
- Idlewild (22)
- Trestle Bike Park (46)
- Vasquez Creek and Leland Creek Areas (20)
Popular Grand County Mountain Biking Trails
| status | title | difficulty | rating |
|---|---|---|---|
| Free Speech Fraser Valley | |||
| Boot Camp Trestle Bike Park | |||
| Beall Ucanb Trestle Bike Park | |||
| Lower Long Trail Trestle Bike Park | |||
| No Quarter Fraser Valley | |||
| Shy Ann Trestle Bike Park | |||
| Long Trail Fraser Valley | |||
| Rainmaker (Middle) Trestle Bike Park | |||
| Spicy Chicken Trestle Bike Park | |||
| Jury Duty Trestle Bike Park | |||
| Blue Crush Trestle Bike Park | |||
| Free Speech (Lower) Fraser Valley | |||
| Green World (Bottom) Fraser Valley | |||
| Paper Boy Trestle Bike Park | |||
| Rainmaker (Lower) Trestle Bike Park |
Grand County Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Iko & Broken Spade Loop | 5 miles | |
| Creekside Combo Demo Idlewild | 15 miles | |
| Leland Creek Loop Winter Park | 10 miles | |
| Winter Park Ski Resort Trestle Bike Park | 5 miles | |
| Fraser Experimental Forest St. Louis Creek | 5 miles | |
| Idlewild Winter Park | 10 miles | |
| Icebox Mountain Ride! Fraser | 40 miles | |
| Zoom, Chainsaw & Flume Trail Loop | 7 miles | |
| Idlewild - Broken & Twisted! Winter Park | 11 miles | |
| Brute Squad 50 - Part 1 Fraser | 33 miles |
Photos of Grand County Mountain Bike
trail: The Boulevard
752 |
Feb 2, 2018 @ 2:55pm
Feb 2, 2018
trail: Rainmaker (Upper)
168 |
Aug 24, 2017 @ 11:34am
Aug 24, 2017
trail: Rainmaker (Middle)
160 |
Sep 26, 2016 @ 11:21am
Sep 26, 2016
trail: Rainmaker (Upper)
140 |
Sep 20, 2016 @ 8:51pm
Sep 20, 2016
trail: The Boulevard
283 |
Aug 25, 2016 @ 8:13pm
Aug 25, 2016
trail: Silky Johnson
246 |
Aug 23, 2016 @ 9:30pm
Aug 23, 2016
trail: Rainmaker (Middle)
505 |
Jul 19, 2016 @ 8:00pm
Jul 19, 2016
trail: Double Jeopardy
401 |
Sep 18, 2009 @ 7:26pm
Sep 18, 2009Videos of Grand County Mountain Bike
trail: Banana Peel
0:41 |
16 |
Jan 1, 2025
trail: Banana Peel
0:04 |
|
Aug 12, 2024
trail: Trestle Downhill
0:09 |
71 |
Jul 31, 2024
trail: No Quarter
0:13 |
45 |
Jun 29, 2024
trail: Banana Peel
0:32 |
165 |
Oct 14, 2023
trail: Rainmaker (Middle)
0:12 |
|
Sep 10, 2023
trail: Rainmaker (Middle)
0:12 |
|
Sep 10, 2023
trail: Rainmaker (Middle)
0:21 |
|
Sep 10, 2023
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Spruce Creek | Jun 20, 2025 @ 10:15am 21 hours | Dry | AVBRISTOL | ||
| Idlewild Idlewild | Jun 20, 2025 @ 2:26pm 17 hours | Dry | Erin4ZGWO4 | ||
| Meadow Idlewild | Jun 20, 2025 @ 2:26pm 17 hours | Ideal | Erin4ZGWO4 | ||
| Double Bit | Jun 14, 2025 @ 10:12am Jun 14, 2025 | Variable | AVBRISTOL | ||
| Tipperary Creek | Jun 10, 2025 @ 2:49pm Jun 10, 2025 | Dry | spillcoleman | ||
| Akima's Way Vasquez Creek and Leland Creek Areas | May 29, 2025 @ 6:36pm May 29, 2025 | Dry | redrockrider1 | ||
| Sundog Vasquez Creek and Leland Creek Areas | May 29, 2025 @ 6:36pm May 29, 2025 | Ideal | redrockrider1 | ||
| Flume Fraser | May 28, 2025 @ 12:25pm May 28, 2025 | Variable | spillcoleman | ||
| Creekside Loop Fraser | May 28, 2025 @ 12:24pm May 28, 2025 | Dry | spillcoleman | ||
| Northwest Passage St. Louis Creek | May 28, 2025 @ 12:24pm May 28, 2025 | Variable | spillcoleman |
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| rzicc | wishlist | route | activity #74237304 | Jun 21, 2025 @ 5:55am 2 hours |
| AVBRISTOL | add | report | activity #74207546 | Jun 20, 2025 @ 4:47pm 15 hours |
| Erin4ZGWO4 | add | report | activity #74199614 and 1 more | Jun 20, 2025 @ 2:26pm 17 hours |
| sgcrews | comment | trail | activity #74194492 | Jun 20, 2025 @ 12:55pm 19 hours |
| Noodle1 | ridden | trail | activity #74180704 | Jun 20, 2025 @ 9:19am 22 hours |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | Very cool trail. Trailforks is not yet... | Jun 20, 2025 @ 12:55pm 19 hours | ||
| trail | Beautiful trail not many rocks | Jun 18, 2025 @ 10:55am 3 days | ||
| trail | P | Jun 13, 2025 @ 7:08pm Jun 13, 2025 | ||
| trail | This is now called "Back to Reality" trail | May 3, 2025 @ 1:16pm May 3, 2025 | ||
| trail | I rescind my earlier comment. Razzmatazz is... | Oct 12, 2024 @ 11:39am Oct 12, 2024 |
Local Badges
-
Epic Ride Descent 2k0 awarded -
Climbing 100k Badge1 awarded -
Completionist0 awarded -
10 Black Trails32 awarded -
Epic Ride 50k0 awarded -
Epic Ride 50k2,669 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Trestle Bike Park | bike park | Winter Park | |
| Granby Ranch | bike park | Granby |
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 278 | 451 miles | 81,824 ft | 217 miles | 5,689 ft | 808 | 2,347 | 54 | 50,772 | |||
| E-Bike | 138 | 194 miles | 33,648 ft | 89 miles | 4,373 ft | 6 | 1,977 | 3 | 638 | |||
| Horse | 55 | 156 miles | 22,247 ft | 57 miles | 5,233 ft | 1 | 517 | 2 | ||||
| Hike | 199 | 405 miles | 59,823 ft | 171 miles | 5,689 ft | 17 | 2,270 | 25 | 3,377 | |||
| Trail Running | 191 | 382 miles | 57,356 ft | 163 miles | 5,689 ft | 2,268 | 25 | 732 | ||||
| Dirtbike/Moto | 10 | 135 miles | 16,824 ft | 53 miles | 4,124 ft | 497 | 2 | 37 | ||||
| Observed Trials | 40 | 17 | ||||||||||
| ATV/ORV/OHV | 52 | 65 miles | 6,864 ft | 22 miles | 3,087 ft | 485 | 2 | 6 | ||||
| Snowmobile | 8 | 30 miles | 1,588 ft | 5 miles | 2,418 ft | 64 | 2 | 9 | ||||
| Snowshoe | 17 | 45 miles | 4,501 ft | 13 miles | 3,287 ft | 66 | 21 | 175 | ||||
| Downhill Ski | 2 | 4 miles | 2,093 ft | 3 miles | 1,604 ft | 56 | 11,561 | |||||
| Backcountry Ski | 8 | 7 miles | 2,352 ft | 2 miles | 1,880 ft | 58 | 4,055 | |||||
| Nordic Ski | 60 | 68 miles | 6,043 ft | 22 miles | 3,087 ft | 1 | 65 | 5 | 4,206 |
- By robbinsdr & contributors
- Admins: jpmcghee, msmcfate, cmcquade, FVMTB
- #12863 - 8,522 views
- grand county activity log | embed map of Grand County mountain bike trails | grand county mountain biking points of interest
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