The app provides data for approximately 3,000 dams across Japan, including details like water system, river name, and construction year. It features map displays with location information and allows users to find dams near their current location.
Check if constellations are visible based on location and time. View real-time constellation lists with directions and elevation. Share found constellations on Twitter with location and time details. Learn constellation stories and myths.
Enter start and via ICs to search for optimal routes, toll fees, and travel time. Use condition search to calculate accurate ETC discounts based on vehicle type and time. View route details on a map for comparison.
