Hill Course. The course is located on a hill overlooking the Shimanto River, on the eastern side of Ashizuru National Park. It features wide fairways, challenging uphill and downhill shots, and water hazards, creating a bold and masculine style unique to the Tosa region. Holes 6 and 18 are particularly difficult, leaving no room for error. The middle holes also have distinctive characteristics; each hole has a clear strategic route, and straying from it comes at a heavy cost.