Winnebago Mental Health Institute is located on the western shore of Lake Winnebago, approximately 3 miles north of Oshkosh.
To ensure proper routing by your GPS system, use these addresses when mapping your route.
Administration Building: 4100 Treffert Drive, Winnebago, WI
Admissions Unit: 4030 Treffert Drive, Winnebago, WI
Deliveries: 1300 South Drive, Winnebago, WI
Directions from Interstate 41
- Take Exit 124 (Hwy 76/Jackson Street).
- Drive South on Highway 76 to County Road Y.
- Turn left on County Road Y and follow it east over the railroad track to the stop sign.
- At stop sign, turn right on County Road A and head south to Butler Avenue.
- Turn left on Butler Avenue and follow east to the WMHI grounds.