Tulamben Slopes

Lesser Sunda Islands, Indonesia

Depth

40m

Visibility

8m - 23m

Entry

Unknown

Experience Level

Experienced

Tulamben Slopes

Lesser Sunda Islands, Indonesia

Depth

40m

Visibility

8m - 23m

Entry

Unknown

Experience Level

Experienced

About Tulamben Slopes

The black sand slopes are some of the richest in the world, situated between House Reef and Tulamben' s Drop Off. The slopes are littered with rocks, barrel sponges and coloured corals. The unusual fish and unique marine life behaviour regularly attract biologists and famous photographers.

Tulamben Slopes Dive Info

Terrain & Features

Shark, Rock, Reef

Entry Type

—

Max Depth

40m

Visibility Range

8m – 23m

Experience Level

Experienced

Best Gas Mix

21% – 28%

O₂

CNS Load (20 min)

13% at 38m / 29%

O₂

Multi-Level Dive Planner

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Marine Life

Marine Life

Weather Conditions

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Dive Operators near Tulamben Slopes

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Location

Location details missing.

Dive Site Hazards

Situational Awareness Loss — Divers may fixate on sharks and lose depth or position awareness.
Subtle Behavioural Shifts — Changes in shark behaviour may be missed without active observation.
Blue-Water Reference Loss — Lack of visual references increases ascent and descent instability.

Bubble Trapping Under Overhangs — Rock overhangs can trap exhaled bubbles, reducing visibility and causing disorientation.

Reflected Surge Patterns — Surge reflecting off rock faces can create irregular and unpredictable water movement.

Current Funnel Effect — Narrow gaps between rocks can accelerate water flow unexpectedly.

Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.

Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.

Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

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