Grosse Geröllhalde - Corsica
Grosse Geröllhalde in Corsica offers a solid dive, especially if you’re looking for a relaxed exploration rather than a high-octane drift. We’ve found the gentle slopes here are ideal for spotting smaller, often overlooked creatures. Keep an eye out for common spiny lobsters tucked into crevices and the vibrant colours of sunset cup coral clinging to the rocks. It's a good pick for divers who enjoy a slower pace, giving you plenty of time to really observe the resident morays and the occasional painted comber zipping past. The killer alga is present, a sign of the changing Mediterranean, but it doesn’t overwhelm the natural beauty of the place.
- Location
- Corsica, France, Mediterranean & Europe
- Coordinates
- 42.720592, 10.436179
Best Time to Dive in Corsica
The warmest water temperatures in Corsica occur in January, averaging 13.9°C. The coolest conditions are in December at 13.9°C.
Monthly Water Temperatures
- January: 13.9°C (air: 9.4°C)
- February: 13.9°C (air: 10.7°C)
- March: 13.9°C (air: 11.2°C)
- April: 13.9°C (air: 13.4°C)
- May: 13.9°C (air: 17.4°C)
- June: 13.9°C (air: 22.3°C)
- July: 13.9°C (air: 25.5°C)
- August: 13.9°C (air: 25.3°C)
- September: 13.9°C (air: 21.6°C)
- October: 13.9°C (air: 17.9°C)
- November: 13.9°C (air: 13.8°C)
- December: 13.9°C (air: 10.8°C)
Nearby Dive Sites in Corsica
- A-20 Havoc, plane wreck - 21m (wreck)
- A Casaïola - 13m (reef)
- ADERNO - 55m (wreck)
- AFRICHELLE - 45m (wreck)
- Aile - 19m
- ALBERI (POSSIBLY) - 12m (wreck)
- Aquarium - 19m
- B-17 Bomber Wreck - 24-29m (wreck)
- Bagheera - 9m
- BAGLIETTO (PROBABLY) - 5m (wreck)
- Banc provencal - 40m
- Barakouda Diving Centre
- Benguigui
- BETTOLINA (POSSIBLY) - 12m (wreck)
- Cala dei Santi - 23m
Nearest Dive Centres to Grosse Geröllhalde
- ACQUASPORT di Mazzi Stefano & C.S.n.c.
- A PIAGHJA DIVING CALVI - SSI, PADI
- Aquanautic Elba - SSI
- ARGENTARIO DIVERS SRL - PADI, SSI, UTD
- ARGENTARIO - OBI DIVING
- A.S.D. AMICI DI NEMO - SSI
Marine Life in Corsica
Home to 225 recorded species including 146 reef fish, 35 sharks & rays, 9 seagrass & algae, 8 whales & dolphins, 8 other, 5 hard corals.
Notable Species
- Mediterranean tapeweed (Posidonia oceanica) - Seagrass & Algae
- Blue-white Dolphin (Stenella coeruleoalba) - Whales & Dolphins
- Dusky grouper (Epinephelus marginatus) - Reef Fish
- Moonfish (Mola mola) - Reef Fish
- Cowfish (Tursiops truncatus) - Whales & Dolphins
- Razorback (Balaenoptera physalus) - Whales & Dolphins
- Corb (Sciaena umbra) - Reef Fish
- Scarlet Coral (Balanophyllia (Balanophyllia) europaea) - Hard Corals
- Bushy Coral (Cladocora caespitosa) - Hard Corals
- Wrasse (Coris julis) - Reef Fish
- Damsel fish (Chromis chromis) - Reef Fish
- Red coral (Corallium rubrum) - Soft Corals
- Blotched Picarel (Spicara maena) - Reef Fish
- Bogue (Boops boops) - Reef Fish
- Sunset cup coral (Leptopsammia pruvoti) - Hard Corals
- Painted Comber (Serranus scriba) - Reef Fish
- Ornate Wrasse (Thalassoma pavo) - Reef Fish
- Devil fish (Mobula mobular) - Sharks & Rays
- loggerhead turtle (Caretta caretta)
- Salema (Sarpa salpa) - Reef Fish
Recommended Packing List for Grosse Geröllhalde
Based on average water temperature of 13.9°C.
- Wetsuit (5-7mm) - recommended for 14°C water
- Hood & Gloves (3-5mm) - helps retain warmth
- Mask - essential for every dive
- Fins
- BCD - buoyancy compensator
- Regulator - your most safety-critical piece of gear
- Dive Computer - tracks depth, time, and NDL
- Surface Marker Buoy (SMB) - essential for boat pickups
- Dive Torch - useful for crevices and colour at depth
- Underwater Camera - capture your diving memories