

Best for intermediate divers, 4-10m, shore entry.
Opalsoen is a freshwater dive site located on Bornholm, Denmark, offering a shore-entry experience. The site features a depth range of 4 to 10 metres, making it suitable for intermediate divers. Visibility at the site typically ranges between 5 and 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 4 to 18 degrees Celsius, requiring appropriate thermal protection for the season. Due to the deep water hazard, divers should remain aware of their surroundings and seek local advice before entering. As there are no confirmed facilities on-site, divers must arrive self-sufficient with all necessary equipment prepared in advance.
55.28293, 14.76120
Despite the shallow depth, the site is listed with a significant depth hazard, so stay aware of your surroundings and check local advice before entering. Facilities are not confirmed on-site, so arrive self-sufficient with all your kit sorted in advance.
Located at Hammersøvej/Sænevej, 3770 Allinge.
Expected in this region. No sightings logged here yet.
Depth
4-10m
Visibility
5-10m
Skill Level
Intermediate
Entry
Shore
Water Temp
4-18°C
Current
None
Best Time
May, Jun, Jul, Aug, Sep, Oct
The site has a depth range of 4 to 10 metres.
The site is classified for intermediate divers.
This is a shore-entry dive site.
Water temperatures range from 4 to 18 degrees Celsius depending on the month, with the lowest temperatures occurring in February and March and the highest in August.
A drysuit recommended is recommended for diving at Opalsoen in Allinge. Water temperatures range from 4°C to 18°C.
The best months to visit Opalsoen in Allinge are May, June, July, August, September, and October. Conditions outside these months can still be good but are less predictable.