Oga Aquarium GAO
In Japanese: 男鹿水族館GAO

An aquarium on the Oga coast with a large tank of local sea life, polar bears and penguins, and Akita's prefectural fish, hatahata, on show all year.
Nearby
- Namahage Museum & Oga Shinzan Folklore Museum ≈ 20 min by car
- Cape Nyudo (Nyudozaki) ≈ 25 min by car
- Godzilla Rock ≈ 30 min by car
- Mt. Kampu Revolving Observatory ≈ 40 min by car
- Akita Port Tower Selion ≈ 1 h 20 min by car
Travel times are rough estimates by car.
- Getting there
- About 45 min from JR Oga Sta. by the reserved 'Namahage Shuttle'
Few buses — check times or join a tour - Fee
- High school and over 1,300 yen, elementary/junior high 500 yen
- Good to know
- 9:00–17:00 (last entry 16:00), hours vary by season; a few closed days a month
- Time needed
- 2 h
Checked against the official Japanese website on 2026-10-12. Report outdated info