Mon Maq Dam

Located one mile northeast of Monticello along the Maquoketa River, this access includes 44 acres of riverine habitat.

Extreme caution should be taken near the Mon Maq Dam. People should not venture over, on, or close to the dam structures, or they will risk drowning.  

Interpretive signage and a viewing platform can be found at the location of the old mill site. The Mon Maq Dam area is part of the Maquoketa River Water Trail.

Maquoketa River Paddler's Guide

Map & Rules

Park Features

Fishing

Paddling

Park Hours

4:30am to 10:30pm

Location

Head north out of downtown Monticello on old Hwy 151. Turn right onto River Road immediately after crossing the Maquoketa River bridge. The Mon Maq Dam Area will be on your right-hand side. Parking and a turnaround area are available.