Discover this lovely hotel providing spacious guest rooms and easy access to all there is to do and see in the heart of Washington Wine Country! The Best Western The Inn at Horse Heaven located in Prosser, Washington is surrounded by the natural beauty of the Lower Yakima Valley and the multitude of famous wineries of the Washington Wine Country. Hotel guests will enjoy the area's many local festivals such as the Jazz Festival in April and the unique antique shops, art galleries and specialty shops of the to ...