Vanuatu
Riri Blue Hole
About this Dive Site
Description
Journey up the Riri Riri river to discover the magical Riri Blue Hole, a freshwater sanctuary offering crystal-clear, calm waters. Descend into stunning underwater caverns and experience the unique thermocline as you transition from saltwater to freshwater, a truly unforgettable dive.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°C | 30°C | 30°C | 29°C | 29°C | 28°C | 28°C | 28°C | 28°C | 29°C | 29°C | 30°C |
Peak Season
April, May, September, October, January, February, March, June, July, August, November
Jan
Good visibility, potential for pelagic sightings
Feb
Continued good visibility, lush coral growth
Mar
End of rainy season, visibility improving
Apr
Excellent visibility, calm seas, abundant marine life
More monthly highlights
May
Peak season for diving, clear waters, diverse reef fish
Jun
Good visibility, whale shark sightings possible
Jul
Humpback whale migration season
Aug
Continued humpback whale sightings, good reef diving
Sep
Excellent visibility, manta ray season begins
Oct
Manta ray season in full swing, great for macro photography
Nov
Manta rays still present, visibility starts to decrease slightly
Dec
Start of the wet season, visibility can be affected
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