The room block at The Riverside Hotel is sold out. To make your room reservations, please contact The Riverside Hotel at 208-343-1871 and let them know you are with Idaho Association of Counties to get the group rate of $124+tax/night. The Red Lion Boise Downtowner, located at 1800 Fairview Avenue, Boise 83702, is a little over a mile from The Riverside Hotel and offers free parking.