From Chicago: Take I-94 west to Milwaukee, about 76 miles. Take I-894 west about 10 miles. Take US Hwy 45 north. See directions from Milwaukee.
From Milwaukee: Take US Hwy 41/45 north of Milwaukee. Continue on Hwy 41 towards Fond du Lac, about 50 miles. At Fond du Lac, exit at state Hwy 23 (Johnson Avenue) exit. Head west on Hwy 23 for about 30 miles (through Rosendale, Ripon, and Green Lake) to the entrance.
From Madison: Take US Hwy 151 north to Columbus, about 25 miles. Just past Columbus, take state Hwy 73 north about 35 miles (through Randolph and Manchester). Turn right (east) on state Hwy 23 about 4 miles to the entrance.
From Green Bay/Fox Cities: Take US Hwy 41 south to Oshkosh. At Oshkosh, take the state Hwy 44 exit south toward Ripon, about 15 miles. In Ripon, take Hwy 23 west about 9 miles to the entrance.
From Minneapolis/St. Paul: Take I-94 east, about 194 miles. At Mauston (WI), exit on state Hwy 82 and travel east about 30 miles (through Mauston and Oxford). At I-39, Hwy 82 becomes state Hwy 23. Travel east on Hwy 23 about 25 miles (through Montello and Princeton) to the entrance.