When is the aquarium closed?

It is closed on January 1 (New Year's Day).

Is there a group discount?

Groups of 20 or more get 10% off.

How do I get there from the nearest station?

A 3-minute walk from Matsumaru Station on the JR Yodo Line. You can also take the Uwajima Jidosha bus bound for "Nijinomori Koen" and get off at the last stop.

There is parking for 4 large vehicles and 100 standard cars.

Aquarium ・ Ehime · JAZA member

Nijinomori Kouen Osakanakan虹の森公園おさかな館

An aquarium that introduces the wonders and appeal of rivers, focusing on freshwater fish, starting with those of the Shimanto River, said to be Japan's clearest stream. Centered on creatures that live in the region's clear streams, it is located in Nijinomori Park, a complex whose adjacent facilities include a glass studio and a restaurant.

Hours: Regular 10:00–17:00（exceptions apply）
Access: From the Matsuyama direction, transfer at JR Uwajima Station to the JR Yodo Line, get off at JR Matsumaru Station, and walk 3 minutes.

Updated: 2026-09-09 ／ Source: morinokuni.or.jp morinokuni.or.jp morinokuni.or.jp www.jaza.jp

Exterior of Nijinomori Kouen Osakanakan — Photo: As6022014 / CC BY-SA 3.0 / Source / cropped

Basic Information

Nijinomori Kouen Osakanakan basic information
Type	Aquarium
Location	Ehime
JAZA Membership	JAZA member
Opened	Unconfirmed
Official / Social	Official SiteInstagram Facebook Source

Access

From the Matsuyama direction, transfer at JR Uwajima Station to the JR Yodo Line, get off at JR Matsumaru Station, and walk 3 minutes. From the Kochi direction, transfer at JR Kubokawa Station to the JR Yodo Line and likewise get off at JR Matsumaru Station, then walk 3 minutes. By bus, take the Uwajima Jidosha bus bound for "Nijinomori Koen" to the last stop. By car, about 20 minutes from the Mima IC on the Matsuyama Expressway, or about 80 minutes from the Shimanto-Chuo IC on the Kochi Expressway. Source

Hours and Admission

Hours and admission for Nijinomori Kouen Osakanakan
Hours	10:00–17:00. Closed on January 1 (New Year's Day). Source
Admission	High school students and older ¥1,100; elementary and junior high students ¥500; preschoolers (age 3 and over) ¥300. Groups (20 or more) get 10% off. Disability discount is half price. Source

Hours and admission may change.Check the Official Site for the latest information.

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FAQ

When is the aquarium closed?: It is closed on January 1 (New Year's Day). Source
Is there a group discount?: Groups of 20 or more get 10% off. Source
What kind of aquarium is it?: An aquarium that introduces the wonders and appeal of rivers, focusing on freshwater fish. Source

Show the remaining questions 2 items

How do I get there from the nearest station?: A 3-minute walk from Matsumaru Station on the JR Yodo Line. You can also take the Uwajima Jidosha bus bound for "Nijinomori Koen" and get off at the last stop. Source
Is there parking?: There is parking for 4 large vehicles and 100 standard cars. Source

Learn More About This Facility’s Animals

Learn More About This Facility’s Animals 350 species

Data attribution

www.jaza.jp www.jaza.jp morinokuni.or.jp morinokuni.or.jp morinokuni.or.jp morinokuni.or.jp

Last verified: 2026-07-05 ／ Source: www.jaza.jp www.jaza.jp