Hudson Grotto
About Hudson Grotto
Hudson Grotto is a prehistoric limestone sink that mixes fresh and salt water. It descends to depths over 100 feet, making it an unusual inland dive environment. In the shallows there is a variety of fish and turtles, with bass, catfish, bluegill, and koi commonly seen near the entry.
Where Is Hudson Grotto?
Hudson Grotto Planning Details
Depth range, seasonality, and planning context.
Reported Depth
Up to 30.5m
Depth Note
Described as descending to depths over 100 ft.
Typical Conditions
Part fresh and part salt water.
Local Intel For Hudson Grotto
Community notes to help plan your visit.
Aquatic Life
Shallow areas have bass, catfish, bluegill, koi, and turtles.
Hudson Grotto Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Hudson Grotto.
Exposure Profile at Hudson Grotto
Directional shelter context for incoming swell.
Recent Logged Visits At Hudson Grotto
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Hudson Grotto
Average conditions based on logged dives & visits.
Hudson Grotto Guide - Sources and Updates
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