1201 10th Ave
Grinnell, IA 50112
Turn left onto Aurora Ave. Turn left onto IA-28 N/Merle Hay Rd. Turn right to merge onto I-35 N/I-80 E. Continue to follow I-80 E for approximately 50 miles. Take Exit 182 and proceed north on Hwy 146. Continue north on Hwy 146 for 4.3 miles, then turn right (east) on 10th Ave. The Natatorium will be on your left after one-quarter mile.
Website: http://pioneers.grinnell.edu/sports/2012/4/23/Facilities_0423120259.aspx?path=faci&tab=3