Oyashirazu

Shallow, clear waters with diverse marine life and interesting topography.

Shore Access
6m Avg Depth
13m Max Depth

About this dive site

This dive site, Oyashirazu, is located at the scenic border between Toyama and Niigata prefectures, featuring the dramatic Oshirachi Beach coastline. Underwater, divers can explore a captivating landscape characterized by numerous large roots, intricate rock formations, natural arches, and intriguing crevasses. The topography provides a varied and engaging environment for exploration, though specific historical context or navigation routes are not detailed. The marine ecosystem at Oyashirazu supports a diverse range of life, making it suitable for both macro and wide-angle photography. Depending on the season, divers can spot an array of nudibranchs, observe numerous juvenile fishes, especially in the fall, and encounter larger inhabitants such as 1-meter class yellowtail and lobster fish. The best time to experience Oyashirazu is from June to September, when visibility is at its peak, often exceeding 20 meters. Fall offers excellent opportunities to observe an abundance of juvenile fish. With its shallow depths and varied marine life, the site is highly suitable for both scuba divers of all levels and freedivers, as well as snorkelers.
Diving Freediving Snorkeling

Site Ratings

Big Marine Life Very Good
Macro Marine Life Excellent
Landscape Quality Very Good
Water Visibility Very Good Viz

Plan Your Visit

macro photographywide anglebeginner friendlyswim-throughrock formationsfishnudibranchsjuvenile fish

Marine Life

juvenile fisheslobster fishnudibranchsyellowtail

Things to Note

Difficulty:

All levels

Shallow depths, good visibility, and varied terrain with arches and marine life suitable for all experience levels.

Current Strength:

Variable

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