Directions: Roslyn is approximately 80 miles east of Seattle Washington (1-1/2 hours via I-90) on the sunny eastern slope of the Cascade Mountains. Coming from the west on I-90 from Seattle, take exit 80, turn left to cross over the freeway and follow the signs to downtown Roslyn, approximately 3 miles. Coming from the east on I-90 from Ellensburg or Spokane, take exit 80 and turn right, following the signs to downtown Roslyn, approximately 3 miles. Once you enter Roslyn, turn left on Pennsylvania Avenue. We are located in the second block, on your left, at 208 Pennsylvania Ave.