All Countries > United States > Washington > Prosser Arrival Date Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Departure Date Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Adults 1 2 3 4 Children 0 1 2 3 4 Best Western Prosser Inn 225 Merlot Drive Prosser, WA 99350 Nightly Rates (69.00 - 159.00)   2 Star The Best Western Prosser Inn is located in the Lower Yakima Valley, with easy access to all that you would like to do or see in " The Heart of Washington Wine Country". We have 50 spacious guestrooms, including rooms for those physically challenged, Nearby Cities: Umatilla ,  Prosser ,  Sunnyside