Tech Dive Sites

The Walls and Deep DiveSite of Lombok and Gili Islands

The ocean around the Gili Islands drops off to over 1200 meters and is swept by tidal currents keeping water clear and clean. We have also enjoyed a protected status from fishing for many years and the less visited deeper areas are pristine, providing tremendous topography and a variety of fascinating marine life such as oceanic sun fish (mola mola), sharks, rays, turtles and a variety of other pelagics.

The diving is predominantly drift diving, although some sites have windows of several hours without current. Most sites are walls and reefs, and if you like wreck diving we have a WWII Japanese Submarine Chaser resting upright at 45 meters. Deep walls range from 40 meters to over 150 meters. A great number of these deeper walls and reefs give relatively easy access to shallow water for decompression, others drifting open water decompression is normal.

Tunang Wall

Depth: 40 – 200 M

Suitable For: ADVANCED NITROX AND DECO PROCEDURES, EXTENDED RANGE, TRIMIX, EXPEDITION, CCR

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT ON GPS DROP ASCENT: BLUE WATER DSMB. DRIFTING DECOMPRESSION

Part of a huge chain of deep walls and ridges that spread out underwater from the base of the volcano Mt Rinjani the scale of Tunang Wall is hard to fathom at first. Dropping to over 200 metres the steep rock slopes are covered in ancient corals on an epic scale. As you ascend to the top of the wall extensive coral gardens continue across the meandering ridges of the shallower sections.

Batu Belah

Depth: 30M

Suitable For: ADVANCED NITROX, SIDEMOUNT and CCR

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT ON GPS DROP ASCENT: BLUE WATER DSMB. DRIFTING DECOMPRESSION

Literally translated as ‘split rock’ this dive site is the perfect side mount training ground with numerous swim-throughs on the route. Huge rock ‘bommies’ punctuate the sandy bottom and provide fixture for healthy coral growth and home to large schools of fusiliers, snapper and rainbow runners.

Pyramids

Depth: 50 – 180 M

Suitable For: EXTENDED RANGE, TRIMIX, EXPEDITION, CCR

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT ON GPS DROP
ASCENT: BLUE WATER DSMB. DRIFTING DECOMPRESSION

A deep ridge protruding out into the Abyss this dive site displays incredible topography. The deep wall section is littered with vast coral strewn boulders ending in a huge pinnacle named ‘Lighthouse’ where huge shoals of fish, sharks and eagle rays gather.

Shark Point

Depth: 30 – 55M

Suitable For: ADVANCED NITROX, SIDEMOUNT and Higher

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT
ASCENT: DSMB DRIFTING Ascent

Situated on the north-western edge of Gili Trawangan and sloping off into the Lombok Strait this dive site has it all! Deep ridges, a drop off to over 50 metres, schools of jack fish, sharks and a tug boat wreck at 30 metres to play on, you couldn’t really ask for more!

Umeeds

Depth: 50 – 70 M

Suitable For: EXTENDED RANGE, TRIMIX, CCR

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT ON GPS DROP
ASCENT: BLUE WATER DSMB. DRIFTING DECOMPRESSION

A deep wall strewn with pristine coral bottoming out onto a sandy plateau at 70 metres. Often spotted here are the two giant Marble Rays cruising along its slopes.

Thunder Reef

Depth: 40M

Suitable For: ADVANCED NITROX, SIDEMOUNT and CCR

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT ON GPS DROP
ASCENT: BLUE WATER DSMB. DRIFTING DECOMPRESSION

A series of pinnacles strewn with soft and giant whip corals, bottoming out at just below 40m. Its position in the channel between the Gili’s and Lombok often brings in passing pelagic life.

Donyeng Wall

Depth: 40 – 200 M

Suitable For: ADVANCED NITROX AND DECO PROCEDURES. EXTENDED RANGE. TRIMIX. EXPEDITION. CCR

DESCENT: NEGATIVE ENTRY BLUE WATER DESCENT ON GPS DROP
ASCENT: BLUE WATER DSMB. DRIFTING DECOMPRESSION

This Wall is very steep and very deep! Huge schools of Surgeon fish hang in the blue over the drop off while deeper there is a large swim through suitable for Extended Range depths and deeper. On ascent the top of the walls are covered in a meadow of cabbage coral stretching as far as the eye can see.

Japanese wwii Wreck

Depth: 45M

Level: Advanced Nitrox, Decompression Procedures and higher

DESCENT: Positive entry Fixed Line GPS drop
ASCENT: Fixed Line DECOMPRESSION

The Hayabusa Maru was sunk in 1945 off the coast of Lombok. Covered in beautiful hard and soft corals it is home to many species of fish and is a great site for macro lovers. Points of interest include a magazine of Browning 50 Calibre bullets, the captains quarters and propeller.

Recreational Divesites

The diving on the Gili Islands is excellent all year round, with drift diving being the predominant form. Plenty of recreational divesites are placed around Gili Trawangan. We always have some sites sheltered from prevailing seasonal weather conditions and typically lose only three or four days diving a year due to rough conditions.

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