Holyoke

6 Flags
1623 Main Street, +1 413 786-9300, (http://www.sixflags.com/n...). Very close to Holyoke. They have a waterpark.
The Big E
1305 Memorial Avenue Rte. 147, West Springfield, +1 413 737-2443 (http://www.thebige.com/fa...).

Northampton. A neat place to visit while you're in town.

The Basketball Hall of Fame
West Columbus Av., Springfield, +1 877-446-6752, (http://www.hoophall.com/). M-Sa 9AM-5PM, Su 10AM-5PM. Along the Connecticut River, in a stunning and quirky steel structure. Adults $17, Seniors $14, Ages 5-5 $12.