Operator page with boat and shore dives, facilities, visibility, depth, and fish life.
Sheltered inland lake dive
Mercers Lake is a sheltered freshwater diving lake with sunken trees, old shoreline features, and easy training-friendly access for relaxed inland diving.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
0m - 15m
Depth Note
The lake averages around 8m and reaches about 15m, with shore and pontoon sessions moving across the underwater forest and old shoreline.
Best Season
Year-round with cold-water kit; calmer, clearer days are the easiest.
Typical Conditions
Freshwater lake with underwater forest, old shoreline features, clear but variable visibility, and minimal current.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Plan for cold-water protection and keep buoyancy tight in the submerged trees, old shoreline, and wreck fragments.
Access Restrictions
Dive access is controlled by the local operator at Mercers Country Park; boat or pontoon entries are used depending on the session.
Legal Notes
Follow site rules and staff briefings for the country park and dive sessions.
Community notes to help plan your visit.
Scuba Diving
Good for Open Water training, skill refreshers, and relaxed lake dives around the underwater forest and old shoreline.
Freediving
The site is primarily set up for scuba training and guided dives, not as a freedive destination.
Snorkeling
Snorkelling is limited compared with the scuba sessions because the main features sit below the surface.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Operator page with boat and shore dives, facilities, visibility, depth, and fish life.
Community dive coverage showing active Mercers Lake events and guided dives.
Official Surrey tourism page referencing Mercers Lake near Redhill and Aqua Sports.
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