Open 1/1–12/31; 148 Sites; Base $60+/2 Adults & 2 Child. Exit 3 off Mass Pike (Route 90), Route 202 South to Route 57 West, right on South Loomis St. From Route 91, exit 3, follow Route 57 West through Southwick Center to S. Loomis St. Nestled at the base of a vast 250-acre mountain in western Massachusetts, Pioneer Valley RV Campground boasts breathtaking private sites and direct access to nature trails that offer sweeping vistas of the Berkshire Mountains and Connecticut River Valley. Our site is conveniently located within driving range of Six Flags New England, Springfield’s Big E and the Basketball Hall of Fame. RVs to 50’.