

Best for beginner divers, 20-30m, shore entry.
Lac de l'Hongrin is a freshwater Alpine reservoir located near Lausanne-Montreux. This site offers calm conditions with no horizontal current, providing a suitable environment for beginner divers to practice their skills. Divers can access the water via a straightforward shore entry, with parking available on-site. The topography features reef structures at depths between 20 and 30 metres. Visibility typically ranges from 5 to 10 metres. The environment supports a variety of freshwater fish and invertebrates typical of the region. Due to the cold water temperatures, which remain low even in summer, a drysuit or thick wetsuit is strongly recommended. Divers should monitor their depth closely to avoid potential down currents.
46.42808, 7.04938
All nautical activities are prohibited on the lake due to rapid water level changes caused by pumping and turbining.
Located between Col des Mosses and La Lécherette.
Expected in this region. No sightings logged here yet.
Depth
20-30m
Visibility
5-10m
Skill Level
Beginner
Entry
Shore
Current
None
The site supports a variety of freshwater fish and invertebrates typical of the region, including species such as trout, perch, pike, and freshwater shrimp.
Yes, the calm conditions and lack of horizontal current make it a comfortable environment for newly qualified divers to build confidence.
The main diving depth at Lac de l'Hongrin sits between 20 and 30 metres.
Access to the water is via a shore entry.
The main hazards are cold water temperatures and the potential for down currents, particularly around the deeper sections of the reservoir.
Diving at Lac de l'Hongrin in Les Mosses requires the following certifications: Open Water. Always dive within your training limits.
Visibility at Lac de l'Hongrin in Les Mosses typically ranges from 5 metres to 10 metres. Conditions vary with weather, tides, and seasons.