ATHOL, Idaho — Silverwood's 'Tremors' roller coaster re-opened to the public Saturday, May 31, after closing the ride for construction since February of this year. The roller coaster first ...

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 ...