5 Sights in Ena, Japan (with Map and Images)

Ōi-juku was the forty-sixth of the sixty-nine stations of the Nakasendō connecting Edo with Kyoto in Edo period Japan. It is located in former Mino Province in what is now part of the city of Ena, Gifu Prefecture, Japan. From Ōi-juku to the next post town, Ōkute-juku, there are 13 hills to pass over. Travellers using the Shitakaidō (下街道) often used Ōi-juku, too, as they travelled on to Makiganetsui (槙ヶ根追) afterwards.

Wikipedia: Ōi-juku (EN)

Takachigaya Castle (鷹撃谷城, Takachigaya-jō) was located in Shiro-no-kake (Japan castle) in Oi-machi, Ena City, Gifu Prefecture, Japan. Ena City Designated Historic Site ("Oi Castle Ruins"). The designated name of the historic site is "Oi Castle Ruins", but another castle ruin on the site of Ena Municipal Oi Elementary School in the southeast is generally considered to be Oi Castle.

Wikipedia: 鷹撃谷城 (JA)

Chōkokuji (長國寺) is a temple of the Soto sect located in Oimachi, Ena City, Gifu Prefecture, Japan. The mountain number is Mt. Inari. The main statue is Shakyamuni Buddha. It is the fourth temple of Ena 33 Kannon and an extra temple of the Chubu 49 Yakushi Sacred Ground.

Wikipedia: 長国寺 (恵那市) (JA)

Tozenji Temple (東禅寺) is a temple of the Obaku sect whose main deity is the eleven-sided thousand-armed Kannon Bodhisattva, located in Oimachi, Ena City, Gifu Prefecture. The mountain number is Huiilsan. It is the first ticket office of Ena 33 Kannon.

Wikipedia: 東禅寺 (恵那市) (JA)

Ōi Castle (大井城, Ōi-jō) was located in Ōi-machi, Ena City, Gifu Prefecture Japan, Japan. In addition, the "Oi Castle Ruins", which is a designated historic site of Ena City, is not this castle, but "Takachigaya Castle" in the northwest.

Wikipedia: 大井城 (美濃国) (JA)