Winnebago Mental Health Institute: Driving Directions
WMHI admissions moving to Gordon Hall
Effective March 31, 2026, WMHI admissions will temporarily move to Gordon Hall during a long-term construction project. When arriving on campus, follow signs for Gordon Hall. Admissions contact information will remain the same.
Winnebago Mental Health Institute (WMHI) is on the west shore of Lake Winnebago. It’s just north of Oshkosh. Use the following address for driving directions to WMHI:
4100 Treffert Drive
Oshkosh, WI 54901