Lake Riverside   Be the first to submit input for Lake Riverside. If you have info on Lake Riverside, Santa Rosa Mountains, Riverside County, California please submit it here to improve this web site.          These outdoors activities are available near Lake Riverside.   Lakes Near Lake Riverside: Lake Hemet, Riverside County, 10 miles away Vail Lake, Riverside County, 12 miles away Skinner Reservoir, Riverside County, 19 miles away   Public Lands Near Lake Riverside: Palomar Mountain State Park, California, 13 miles away Mount San Jacinto State Park, California, 16 miles away San Pasqual Battlefield State Park, California, 30 miles away Cabrillo National Monument, San Diego - CA, 55 miles away Joshua Tree National Park, Twentynine Palms - CA, 64 miles away   Marinas On or Near Lake Riverside: Diamond Valley Lake, Hemet, 18 miles away   Camp Grounds Near Lake Riverside: Cowboy Country Campground, Aguanga, 1 miles away Outdoor Resorts Rancho Calif, Aguanga, 2 miles away Tucalota Springs RV Resort, Sage, 10 miles away Tucalota Springs RV Park and Campground, Hemet, 10 miles away   Hotels Near Lake Riverside: Quiet Creek Inn, Idyllwild, 14 miles away Vagabond Inn Hemet, Hemet, 17 miles away South Coast Winery Resort and Spa, Temecula, 18 miles away Harrahs Rincon Casino & Resort, Valley Center, 18 miles away Americas Best Value Inn and Suites/Hemet, Hemet, 18 miles away   Hiking Trails Near Lake Riverside: Alessandro Trail, Riverside County, 6 miles away       2.3 hiking miles, 1847 feet elevation difference Aguanga Trail, San Diego County, 8 miles away        5.2 hiking miles, 1624 feet elevation difference Rouse Hill-Bautista Canyon Trail, Riverside County, 9 miles away       1.1 hiking miles, 1575 feet elevation difference   Ski Areas Near Lake Riverside: Bear Mountain, California, 41 miles away       1665 foot drop, 12 lifts, 34 runs Snow Summit, California, 42 miles away       1200 foot drop, 14 lifts, 31 runs Snow Valley, California, 44 miles away       1041 foot drop, 11 lifts, 30 runs