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Santa Rosa Blue Hole

Type:
Scuba DivingFreediving
Entry:🏖️Shore Entry
Difficulty:Advanced
Tags:
Blue Hole
About This Dive Spot

An altitude freshwater dive site managed by the City of Santa Rosa. Diving requires an on-site permit, and the site reaches a maximum depth of about 81 ft. Water temperature stays around 63–64°F year-round, so thicker exposure protection is commonly used. Swimmers may jump from surrounding cliffs, creating a potential surface hazard for divers.

Planning details
Reported depth and seasonality.

Reported depth

Up to 24.7m

Depth note

Maximum depth stated as 81 ft; altitude dive.

Typical conditions

Water temperature is approximately 63–64°F year-round.

Safety & access
Hazards, restrictions, and required precautions.

Hazards

Cold waterRestricted access

Safety notes

Be alert for swimmers jumping from nearby cliffs, especially near the surface. This is an altitude dive; plan and adjust accordingly.

Access restrictions

Owned by the City of Santa Rosa; an on-site dive permit is required.

Where is this?
Map location of Santa Rosa Blue Hole
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Local intel
Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Maximum depth is about 24.7 m (81 ft) and it is an altitude dive.

Dive Spot Log Averages
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Frequently Asked Questions

What's the best entry point at Santa Rosa Blue Hole?
Entry at Santa Rosa Blue Hole is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.
What conditions are best for diving Santa Rosa Blue Hole?
Optimal conditions at Santa Rosa Blue Hole depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.
What is the maximum depth and typical visibility at Santa Rosa Blue Hole?
Depth and visibility information for Santa Rosa Blue Hole can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.
Are there any safety considerations or local etiquette at Santa Rosa Blue Hole?
When diving Santa Rosa Blue Hole, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.