Greenbush Trail lies within the Red Oak Habitat Preservation Area where populations of forest birds nest such as veery, Acadian flycatcher, ovenbird and hooded warbler.

The Greenbush Trail is a combination of four loop trails totaling 9 miles. Each trail is marked by colored guideposts (purple, green, red and pink) for easy orientation. This trail area lies within the 2,742-acre Kettle Moraine Red Oak Habitat Preservation Area where significant populations of interior forest birds nest such as veery, Acadian flycatcher (a threatened species), ovenbird and hooded warbler. The trail climbs and descends the rugged terminal moraine through dense oak and maple forest before giving way to tall pines, open kettles and the wetland basin of Bear Lake Marsh. Seasonally, hikers share these loop trails with off-road mountain bikers. In winter the trails are groomed for cross-country skiing and are closed to hiking, biking, and pets. Picnic tables and grills are provided at the Greenbush Picnic Area. A picnic shelter-house, grill, drinking water and toilet are available at the Greenbush Group Camp located half-mile north of the picnic area.

Directions: From Plymouth, WI, Take Hwy. 67 west about 5 miles. Turn right (north) onto Kettle Moriane Scenic Drive and proceed 2.5 miles to trailhead parking.

Distance: 9.0 miles

Difficulty: Strenuous

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