We can help you with your concerns. This is a Vlog article about sightseeing in Okutama & Around (Tokyo, Japan). Okutama & Around (Tokyo, Japan) Okutama is located in the western part of Tokyo. Located within the Chichibu-Tama-Kai National Park, Okutama is known for its beautiful natural scenery and outdoor recreation. Okutama is characterized by the following features. Lake Okutama (Okutama Reservoir): Lake Okutama is a reservoir created by the Okutama Dam. Lake Okutama is surrounded by lush greenery and is a popular spot for boating and fishing. Cross Lake Okutama on the Mugiyama Floating Bridge or the Tomeura Floating ...