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Whoop-Di-Doos

Intermediate/Difficult Intermediate/Difficult
 3.3 (7)
  1. Areas
  2. CO
  3. …Front Range
  4. …Nederland
  5. West Magnolia
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“The new and re-routed version. ”

tyler.s Stolt
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0.8

Miles

1.3

KM
Singletrack

8,821' 2,689 m

High

8,712' 2,656 m

Low

109' 33 m

Up

43' 13 m

Down

4%

Avg Grade (2°)

26%

Max Grade (15°)

Dogs Off-leash

E-Bikes Not Allowed

Description

This trail is a new version of Whoop-Di-Doos and takes riders down a steep, but fun, descent down to the road. The reroute added contoured trail and an extended lower section. This trail flows well in between small technical rock features.

Contacts

Local Club: Boulder Mountainbike Alliance

Nov 17, 2025: Trail Update: South St Vrain

Nov 14, 2025: Another Step Closer to new Betasso Connector

Oct 24, 2025: Boulder County Moves One Step Closer to a Safer Boulder-to-Betasso Connection

Land Manager: USFS - Boulder Ranger District Office

Shared By:

tyler.s Stolt with improvements by Wendy Sweet
Full Details

Trail Ratings

  3.3 from 7 votes

#11

in West Magnolia

#23574

Overall
  3.3 from 7 votes
5 Star
0%
4 Star
29%
3 Star
71%
2 Star
0%
1 Star
0%
Trail Rankings

#11

in West Magnolia

#2,143

in Colorado

#23,574

Overall
1 Views Last Month
590 Since Nov 5, 2017
Intermediate/Difficult Intermediate/Difficult
0%
0%
57%
14%
29%
0%
Add a Photo

Photos

Can't help but stop for this view. If only the phone did it justice.
May 30, 2018 near Nederland, CO
Fat Bike Report | West Magnolia | First Ride of 2018/9 Season | First Film on GoPro Hero 7 Black
Nov 5, 2018 near Nederland, CO
Whoop-di-doos - West Magnolia - Nederland - Colorado
Sep 22, 2025 near Nederland, CO
A rare fast and smooth section of trail
Jun 22, 2013 near Nederland, CO
One of the many HUGE clearcuts in the area. Damn pine-bark beetles...
Jun 22, 2013 near Nederland, CO
New singletrack sign highlights trail improvements and important re-routes.
Nov 12, 2017 near Nederland, CO

0 Comments

Weather

Current Trail Conditions

Unknown
Add Your Check-In

Check-Ins

Apr 7, 2026
Matthew Goldatein
Sep 7, 2025
Matthew Goldatein
Aug 6, 2025
Matthew Goldatein
Jul 10, 2025
Atsuko Ohtake
Oct 2, 2024
Matthew Goldatein
Jul 30, 2024
Matthew Goldatein
Oct 12, 2022
Matthew Goldatein
Oct 8, 2022
Crystal To

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