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About Kagawa

Kagawa is the smallest prefecture of Japan and located on the Shikoku island. It is surrounded by Ehime Prefecture and Tokushima Prefecture. The Sanuki Mountains runs along the southern side of the prefecture.
11% of the area was designated as Natural Parks, such  as the Setonaikai National Park and Otaki-Okawa Prefectural Natural Park.

Local Areas

Kagawa Area Map

Areas in Kagawa


In the door step of Seto Inner Sea

This is a Inner ocean surrounded by Honshu,Shikoku,Kyushu. Due to it's location, not getting the warm current benefit on the Pacific Ocean side, the water temperature varies from 8c to 32c. This change in the water temperature can show you the 4 seasons of underwater Japan. The fishes here are mainly preferred as a sushi dish(Cold water fishes). 

What you can see

All year round:
-Variety of nudibranch
-Variety of Shrimps and Crabs
-Variety of Macro marine life
-Black rockfish (Sebastes inermis
-Thread-sail filefish (Stephanolepis cirrhifer)
-Black porgy(Mylio macrocephalus)
-Asian sheepshead wrasse(Semicossyphus reticulatus)
-Japanese sea bass(Lateolabrax japonicus)
-Large school of Striped mullet(Mugil cephalus)