MTB Project Logo

Underdown Recreation Area

Area suggestions or local tips? Tell us!

Difficulty
Easy Difficult
Distance
mi
 - 
mi
Rating
E-Bikes Allowed
Distance
mi
 - 
mi
Difficulty
Easy Difficult
Rating
E-Bikes Allowed
Popular Near Here
Zoom in to see details
Map Key

Weather Averages


High
 
Low
 
Precip
 
Days w/
 
J F M A M J J A S O N D

22 mi 35 km of trail 1 Featured Ride

Easy Trails 0 Trails Intermediate Trails 16 Trails Hard Trails 0 Trails

Food & Drink

If you're looking for a post-ride beverage, be sure to check out Sawmill Brewing.
Area suggestions or local tips? Tell us!
MTB Project is built by riders like you.
Share what you know about this area with the community.

Featured Rides in Underdown Recreation Area - 1

MTB Project is built by riders like you. Add Your Rides

Favorite South shore of Underdown Lake

Full Underdown

21.7 mi 35.0 km • Loop • 1,665 ft Ascent 507.6 m Ascent

Singletrack Merrill, WI

( 4 )

Trails in Underdown Recreation Area - 15

MTB Project is built by riders like you. Add Your Trails

0.4 mi 0.6 km #1 Trail B
Merrill, WI
0.4 mi 0.6 km Merrill, WI
Unknown
Update
2.8 mi 4.6 km #2 Octoberfest - Trail S
Merrill, WI
2.8 mi 4.6 km Merrill, WI
Unknown
Update
2.3 mi 3.7 km #3 Connector Trail
Merrill, WI
2.3 mi 3.7 km Merrill, WI
Unknown
Update
0.7 mi 1.1 km #4 Octoberfest Lower Slopes - Trail TT
Merrill, WI
0.7 mi 1.1 km Merrill, WI
Unknown
Update
1.8 mi 2.9 km #5 Big Bog & Saddle Segment - Trails C, CC, XX
Merrill, WI
1.8 mi 2.9 km Merrill, WI
Unknown
Update
0.8 mi 1.3 km #6 Underdown Lake / Camp 2 - Trail SS
Merrill, WI
0.8 mi 1.3 km Merrill, WI
Unknown
Update
1.9 mi 3.1 km #7 Roundtop & White Lightning - Trails G, H & I
Merrill, WI
1.9 mi 3.1 km Merrill, WI
Unknown
Update
3.2 mi 5.1 km #8 Yin & Yang Loop - Trails U, W & F
Merrill, WI
3.2 mi 5.1 km Merrill, WI
Unknown
Update
1.0 mi 1.6 km #9 Dog Lake Segment - Trails N, D & E
Merrill, WI
1.0 mi 1.6 km Merrill, WI
Unknown
Update
0.8 mi 1.3 km #10 Trail A
Merrill, WI
0.8 mi 1.3 km Merrill, WI
Unknown
Update
1.1 mi 1.7 km #11 Homestead - Trails J & K
Merrill, WI
1.1 mi 1.7 km Merrill, WI
Unknown
Update
0.6 mi 0.9 km #12 Trail Z
Merrill, WI
0.6 mi 0.9 km Merrill, WI
Unknown
Update
2.3 mi 3.7 km #13 Hollow Loop
Merrill, WI
2.3 mi 3.7 km Merrill, WI
Unknown
Update
1.0 mi 1.7 km #14 Trail V
Merrill, WI
1.0 mi 1.7 km Merrill, WI
Unknown
Update
0.9 mi 1.5 km #15 Trail KK - Bumpy Bog
Merrill, WI
0.9 mi 1.5 km Merrill, WI
Unknown
Update

Photos of Underdown Recreation Area - 2

MTB Project is built by riders like you. Add Your Photos

Classes & Events Near You

Find More Classes and Events

MTB Project is part of the REI Co-op family,
where a life outdoors is a life well lived.

Shop REI Mountain Bike