

Best for intermediate divers, 1-35m, shore entry.
Onderwater Natuurpark Zegersloot is a freshwater dive site in the Netherlands offering a diverse underwater landscape. The topography includes sandy bottoms, clay and peat layers, and various artificial structures. Divers can explore several wrecks, including the sailing yacht De Regina Maris and the Gatenkaasen. The site reaches depths of up to 35 metres, with an average depth of 18 metres. Entry is via a jetty. Visibility typically ranges between 1 and 4 metres, and water temperatures fluctuate from 7C in winter to 20C in August. Due to the depth and potential for boat traffic, this site is best suited for intermediate divers.
52.13584, 4.69022
Turn the dive flag board at the entry before the dive and fold it back after the dive for safety.
Park at the Aarkanaal-side lot and use the approved jetty or entry point.
Recorded at this site
Depth
Up to 35m
Visibility
1-4m
Skill Level
Intermediate
Entry
Shore
Water Temp
7-20°C
Current
None
Best Time
May, Oct
The site has a depth range of 1 to 35 metres, with an average depth of 18 metres.
No, the site is rated for intermediate divers due to the depth and presence of boat traffic.
Entry to the site is via a shore-based jetty.
The best months for diving at this site are May and October.
Divers should be aware of boat traffic and the significant depth of the site.
Diving at Onderwater Natuurpark Zegersloot in Alphen aan den Rijn requires the following certifications: Certified Divers. Always dive within your training limits.
A drysuit recommended is recommended for diving at Onderwater Natuurpark Zegersloot in Alphen aan den Rijn. Water temperatures range from 7°C to 20°C.
Visibility at Onderwater Natuurpark Zegersloot in Alphen aan den Rijn typically ranges from 1 metres to 4 metres. Conditions vary with weather, tides, and seasons.