← Back to Events Rossmoor + Google Map 1001 Golden Rain Road Walnut Creek, CA 94595 United States (925) 988-7700 http://rossmoor.com/clubhouse/gateway-complex/ Fireside Room is the hub of activity in Rossmoor. It’s located in the Gateway Complex. Rossmoor is a community in Walnut Creek, California for active adult residents 55 years or older. There were no results found.