Teshikaga, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Teshikaga is known for its stunning natural landscapes, including Lake Mashu and Lake Kussharo, which offer serene beach experiences and hot springs. The best time to travel to Teshikaga, Japan, is during the summer months of July and August, when the average air temperature is around 20°C (68°F) and the water temperature in nearby lakes is approximately 18°C (64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!