Glen Elder, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Glen Elder, Kansas, United States, is known for Glen Elder State Park and Waconda Lake. The best time to travel to Glen Elder, United States, is in late spring or early fall when the average air temperature is around 70°F (21°C) and the water temperature is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!