芦ノ湖 (Lake Ashi) is a scenic crater lake located in 神奈川県 (Kanagawa Prefecture), Japan. It was formed by volcanic activity and is situated within the 箱根国立公園 (Hakone National Park). The lake is known for its stunning views of 富士山 (Mount Fuji) and is a popular destination for tourists seeking natural beauty and outdoor activities. Visitors to 芦ノ湖 can enjoy various recreational options, including boat rides, hiking, and fishing. The area is also home to several hot springs and traditional ryokan (inns), making it a favored spot for relaxation. The surrounding landscape features lush forests and picturesque mountains, enhancing its appeal.