Rebun Island, located off the northwestern tip of Hokkaido, Japan, is known for its stunning alpine flowers and epic 8-Hour Hiking Course that stretches from one end of the island to the other. With a total area of about 80 square kilometers, this picturesque island boasts Mount Rebun as its highest point at 490 meters. Fossilized remains of long-finned pilot whales and ancient Ainu hilltop fortifications add to the island's unique charm. Plus, it's the last reliable spot where the extinct Japanese sea lion was spotted back in 1974. So, if you're into nature, history, and a bit of adventure, Rebun Island might just be your next dream destination!