About this spot
Madison Quarry offers divers a unique freshwater diving experience in the United States. The site is open year-round, making it accessible to divers planning trips during any season. The quarry features submerged geological formations and a natural setting that attracts both recreational and exploratory divers. The dive site has documented species observations from 12 different sightings, indicating healthy biodiversity in the freshwater environment. Three community-produced dive videos are available, providing insights into conditions and what to expect during a dive. These resources help divers prepare and get a realistic preview of the site before visiting. Madison Quarry is not located within a marine protected area, meaning access is straightforward without special permit requirements. The site's year-round availability and natural freshwater ecosystem make it a reliable option for divers seeking inland quarry diving without seasonal closures or environmental restrictions.
📖 Guide: Diving in the United States: 87 Sites From Springs to Open Ocean
Best months
Dive types
Trip essentials
Everything you need before you pack — checklist, sun, logistics.
Trip checklist
- 🛂 Visa-free or visa-on-arrival
- 📜 C-card + dive insurance (DAN)
- 📔 Dive logbook
- 🧴 Reef-safe sunscreen SPF 50+
- 🔌 Plug type A/B · 120V adapter
- 💊 Seasickness meds + ear drops
- 📱 Offline maps + emergency contact
Quick facts
- 🌓 Moon First quarter · 47%
- GPS
› Sustainability disclosures
FAQ
›When can I dive Madison Quarry?
Madison Quarry is open year-round, allowing divers to plan visits during any season based on their schedule and comfort with seasonal water conditions.
›What kind of marine life will I see?
The site has 12 documented species observations. Community videos show the actual wildlife present. Check those resources for specifics on freshwater species you may encounter.
›Do I need permits or certifications to dive here?
Madison Quarry is not within a marine protected area, so standard access rules apply. Contact local authorities or the site directly about any specific requirements or certifications they may require.
›How do I learn more about conditions?
Three community dive videos are available online showing real footage from Madison Quarry. These provide the best view of actual visibility, geology, and site conditions before you visit.
