About this spot
Lac d'Alfeld sits in the heart of the Parc naturel régional des Ballons des Vosges in eastern France, offering divers a freshwater experience in a protected mountain setting. The lake's designation within a regional natural park means the site benefits from conservation management while remaining open to recreational diving. This makes it an attractive option for divers seeking an alternative to coastal locations, with the added bonus of exploring a landscape shaped by glacial geology. The Vosges mountains provide a scenic backdrop above water, and the protected status helps preserve the underwater environment. Access is year-round, making it suitable for planning dives across all seasons. The site has generated community interest, evidenced by video documentation from local divers. Four species observations are on record, indicating biological activity worth investigating. While detailed specifications like exact depth ranges and visibility measurements are not widely documented, the site's protected status and regional popularity suggest it offers reliable diving conditions. Divers visiting should confirm current access conditions and any local regulations with regional authorities or dive clubs familiar with the area. The freshwater environment differs from typical saltwater sites, requiring divers to adjust expectations around buoyancy and marine life encounters.
📖 Guide: Diving in France: 220 Sites From Alpine Lakes to Tropical Reefs
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 C/E/F · 230V adapter
- 💊 Seasickness meds + ear drops
- 📱 Offline maps + emergency contact
Quick facts
- 🌓 Moon First quarter · 48%
- GPS
› Sustainability disclosures
FAQ
›When is the best time to dive Lac d'Alfeld?
The site is accessible year-round. Summer and autumn typically offer the most comfortable water temperatures and visibility, while winter diving is possible but requires appropriate exposure protection.
›What depth and difficulty level should I expect?
Specific depth data is not widely published. Check with local Vosges dive clubs or regional park authorities for current site conditions and difficulty ratings before planning your dive.
›What marine life can I see?
Four species observations are documented at the site. Freshwater lakes in the Vosges region typically support pike, perch, and other native fish species, plus freshwater invertebrates and aquatic plants.
›How do I access the site and are permits needed?
Lac d'Alfeld lies within the Parc naturel régional des Ballons des Vosges. Contact the regional park office or local dive operators for current access rules, parking, and any required permits or notifications.