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 ...

Silverwood Theme Park has announced an upgrade to one of its most iconic attractions—Tremors. The top-rated wooden roller coaster ... the Boulder Beach Water Park. The park officially opens ...

The top-rated wooden roller coaster ... Silverwood Theme Park, the largest theme park in the Northwest, features over 70 rides, slides, and attractions, including the Boulder Beach Water Park.