Do you know what your kids are doing this summer? Deer Mountain, a pastoral 25-acre day camp on a spring-fed lake, may just be the answer. Accepting campers between the ages of 3 and 15 for 4-, 6-, and 8-week sessions, the camp offers loads of activities (Archery! Ceramics! Tennis! Soccer! 6 pools! Ziplines!), hot lunch, and an easy (air-conditioned) bus ride from Manhattan. Expires August 17, 2012. Only NEW families new are eligible for discount. www.deermountaindaycamp.com