Silverwood Theme Park has announced an upgrade to one of its most iconic attractions—Tremors. The top-rated wooden roller coaster, which has thrilled guests since 1999, will undergo a seismic ...

ATHOL, Idaho - One of the beloved wooden roller coasters at Silverwood Theme Park is getting a big upgrade this summer! Silverwood announced a "seismic upgrade" to Tremors, a wooden coaster that ...

For information call (208) 683-3400. Visit the Silverwood Theme Park website for details. Military.com Disclaimer Military.com provides discount information as a service to our members.