The Drop-Off
Tulamben · Indonesia
A near vertical wall plunging from 3 m to beyond 60 m at the eastern end of Tulamben Bay. Black volcanic sand at the base contrasts with dense gorgonians and barrel sponges on the wall face. Reliable for big fish drifting past in clean water.
Conditions
Depth
5 to 40 m
Advanced depths
Current
Can be moderate
Can pick up on the edge
Visibility
20 to 30 m
Clearest in the calm season
Water
25 to 30°C
Tropical wetsuit
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 27 | 27 | 28 | 28 | 28 | 26 | 25 | 25 | 26 | 27 | 27 | 27 |
| Vis (m) | 15 | 15 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 15 | 15 |
| Current | Gentle | Gentle | Gentle | Gentle | Moderate | Moderate | Moderate | Moderate | Moderate | Gentle | Gentle | Gentle |
Your chances of seeing each animal
Leaf scorpionfish
Last confirmed Jun 30, 2026 · 97 records
Almost always
Nearly every dive
Tryon'S Hypselodoris
Last confirmed Jun 25, 2026 · 160 records
Almost always
Nearly every dive
Zephyr Hypselodoris
Last confirmed Jun 8, 2026 · 174 records
Almost always
Nearly every dive
Black-Margined Nudibranch
Last confirmed Jun 25, 2026 · 130 records
Almost always
Nearly every dive
Ornate Ghostpipefish
Last confirmed Jun 30, 2026 · 118 records
Almost always
Nearly every dive
Hawksbill turtle
Last confirmed Jul 3, 2026 · 59 records
Almost always
Nearly every dive
Whitetip reef shark
Last confirmed May 15, 2026 · 130 records
Almost always
Nearly every dive
Napoleon wrasse
Last confirmed Apr 11, 2026 · 5 records
Likely
About 6 in 10 dives
Gear