Florida · about 29 km from Live Oak
Allen Mill Pond Spring
Info · exploration
Information only: the spring lies in Lafayette Blue Springs State Park, where cave diving is only allowed in Blue Springs and Green Sink; entering or surfacing anywhere else is prohibited. According to the management plan nobody may swim or walk in the sensitive spring.
- Max depth14 m (46 ft)
- CertificationFull cave
- SpecialSidemount
Diving and fills
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Fills nearby
- Amigos Dive Center (Fort White)Air to 4,500 psi (~310 bar), nitrox 21–40 %, medical O₂ (also for rebreathers), custom trimix (continuous blender), argon
- Ginnie Springs dive shopAir (high-volume) and nitrox 32 %; no trimix listed. Prices 2026, excluding tax: air $9, doubles air $14, nitrox single cylinder $15, nitrox $0.15 per cubic foot (for top-offs and doubles)
- Extreme Exposure (High Springs)Air, nitrox (32 %, 50 %), O₂ (AL40) and trimix ('mix' in doubles); walk-in fills of your own tanks: ask
Now at Allen Mill Pond Spring
The dive
A very small, silty cave with two maze-like main passages, mostly shallower than 9 m. According to the park's management plan the caves are fragile and have changed more than those of Lafayette Blue Springs.
Profile and sections
A very small, silty cave with two maze-like main passages, mostly shallower than 9 m. According to the park's management plan the caves are fragile and have changed more than those of Lafayette Blue Springs. In floods tannic river water flows into the caves: between 2009 and 2016 the flow reversed here eleven times.
The spring has at least three openings along a fracture; a connection with Lafayette Blue Springs has not been found, although they share the same springshed. By 2007 ~770 m had been mapped; KUR lists the spring as one of its projects.
Practical: information only; in the park you dive at Blue Springs and Green Sink.
- Depth and profile
- Down to -14 m at the back, most passages shallower than -9 m · ~770 m mapped (as of 2007)
- Configuration
- Very small passages: sidemount. Scooters are prohibited in the park.
- DPV: Not DPV-suitable
- Scooters are prohibited in the park.
Who can dive where
- At least Full cave
- Configurations: Sidemount
- Goes down to 14 m (trimix or deco may be needed)
- Experienced divers only
This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.
How to get there
In the northern part of Lafayette Blue Springs State Park (Lafayette County), by the park's north entrance; a ~1.1 km spring run flows to the Suwannee.
Around Allen Mill Pond Spring
Fills3 fill stations · nearest 57 km
Amigos Dive Center (Fort White)
5472 SW Elim Church Rd, Fort White, FL 32038
Air to 4,500 psi (~310 bar), nitrox 21–40 %, medical O₂ (also for rebreathers), custom trimix (continuous blender), argon
During shop hours (times not listed) — ask
Walk-ins welcome. O₂-clean equipment required for O₂. Dive centre in 'cave country' since 2006.
Ginnie Springs dive shop
Ginnie Springs Outdoors (in the park), near High Springs, FL
Air (high-volume) and nitrox 32 %; no trimix listed. Prices 2026, excluding tax: air $9, doubles air $14, nitrox single cylinder $15, nitrox $0.15 per cubic foot (for top-offs and doubles)
Park hours: Mon–Thu 8:00–17:00, Fri–Sat 8:00–19:00, Sun 8:00–18:00. Last fill between 15:00 and 17:00, depending on the fill technician's availability
Rents cylinders (incl. nitrox steel 85), BCs, regulators, suits and lights. Personal compressors are banned in the park.
Extreme Exposure (High Springs)
18481 High Springs Main Street, High Springs, FL 32643
Air, nitrox (32 %, 50 %), O₂ (AL40) and trimix ('mix' in doubles); walk-in fills of your own tanks: ask
Daily 8:00–18:00
Tech and cave shop since 1995. Rents singles, stages and doubles (steel/alu, air, nitrox or mix), regulators, backplate/wing, lights and scooters; training.
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