Denison University is located approximately 30 minutes east of Port Columbus Internatioanal Airport (CMH). If flying, arrive at CMH and use the conference shuttle that will be available Sunday, 7/31 and Wednesday, 8/3. The shuttle cost is $50 round trip. The shuttle fee will be waived for registered students.
If driving, there is free parking on campus during this time. Detailed map can be found here.
If you plan to attend MathFest following UnKnot III, a conference shuttle will be available between Denison University and MathFest headquarters - Hyatt Regency.