Reefwander
A blue five-armed sea star with rust-orange blotches lying on fine green-grey sand underwater — Shakotan Peninsula

Shakotan Peninsula · Japan · Reef

Jorogo Rock

A tangle of interlocking rocks with entry from boat or shelf

Area photo: snotch from Sapporo, Hokkaido, Japan · CC BY 2.0

Jorogo Rock lies about 10 minutes by boat from Horomui harbour. Rocks are jumbled together in a complex arrangement, and the current is weak. Divers can enter from the boat or from the rock shelf, and the bottom reaches 23 m.

Also known as 女郎子岩, Jorogo Iwa.

Where it is and how deep

Depth profile of Jorogo Rock: typical dive to 23 m (to 75 ft) 18 m · Open Water30 m · Advanced40 m · Recreational limit23 mtypical dive
Depths on a shared scale to 40 m (130 ft); dashed lines mark common certification limits.

No published position for this site — the map shows Shakotan Peninsula and its other sites; operators know the mooring.

The dive

Entry is from the boat or from the rock shelf, 10 minutes from Horomui harbour. The rocks at this point interlock in a complex pattern, and the current is weak. The bottom reaches 23 m at the deepest.

Marine life and season

The sources we used don't single out particular species here.

Month-by-month season rating for Jorogo Rock
JanFebMarAprMayJunJulAugSepOctNovDec
GoodGoodGoodGoodGoodGoodPrimePrimePrimeGoodGoodGood

Season follows Shakotan Peninsula: Diving runs all year; July to September is the best season for fish and visibility, while the colder months bring the sea lions.

Sources

  1. Aqua Cat Horomui point map — Aqua Cat Horomui Diving Camp

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