Flat Rock River YMCA Camp at the Ruth Lilly YMCA Outdoor Center 6981 W. County Road 650 North St. Paul, IN  47272 (765) 525-6730 Toll Free: (888) 828-9622 Fax: (765) 525-2265 rlyoc@indymca.org The drive from Downtown Indianapolis to camp is about 50 minutes. Take I-74 on the southeast side of the city and head toward Cincinnati. Take exit #123 (St. Paul and Middletown). You will be on the south side of the interstate and see a green "YMCA Camp" sign with an arrow pointing left. Turn left on to Michigan Road (State Highway 421). After driving nearly two miles, you will see a "Flat Rock River YMCA Camp" sign. Turn right on 650 West. At the stop sign, there will be another Flat Rock sign. Turn right on 650 North. It winds around between farm fields. In less than a mile, you will see the camp entrance on the left. Drive down the gravel road, park in the lot. The Camp Office is to the right of the Dining Hall. Your friends are waiting! (Printer Friendly Directions)