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North Sulawesi · Indonesia · Asia

Max. depth · 25 m

Angel’s Window, Lembeh Strait: a Twin-Peaked Coral Pinnacle Dive

Angel's Window offers a unique dive exploring a twin-peaked coral pinnacle featuring a large cave and dynamic topography in the heart of Lembeh Strait.

What makes this site special

  • Explore a prominent twin-peaked coral pinnacle.
  • Navigate a large cave with an accessible swim-through.
  • Discover a drop-off featuring the 'window' swim-through at 22 meters.
  • Encounter Tuberculatus Xeno crabs and Pygmy seahorses.
  • Spot Robust ghost pipefish and Twin-spot lionfish.
  • Observe Green shrimp and Hairy shrimps in their habitat.

Angel’s Window about the site

Dropping into Angel's Window, you immediately encounter the distinctive topography of this twin-peaked coral pinnacle. The site offers a dynamic profile, allowing you to choose your descent. One prominent feature is a large cave, presenting an inviting swim-through that beckons exploratory divers deeper into the structure. The light plays differently inside, revealing nuances of the coral growth that thrives within the sheltered environment.

On one side of the pinnacle, a gentle coral slope descends gracefully, eventually leveling out onto a plateau at a comfortable depth of 15 meters. This area is teeming with life, providing ample opportunity for meticulous observation. The slope itself is a canvas of various hard and soft corals, forming a rich habitat for smaller, more elusive creatures, demanding a slower pace to fully appreciate its intricate details.

The opposite side of Angel's Window reveals a more dramatic landscape: a sheer drop-off. It's here, at approximately 22 meters, that the eponymous 'window' is found – another captivating swim-through carved into the reef. Navigating this passage adds an element of adventure, as you transition from the open water along the wall into the reef's interior, emerging on the other side with a new perspective on the site's structure.

Beneath the overhangs and within the crevices throughout the site, a rich assortment of peculiar marine life awaits discovery. Keep an eye out for the Tuberculatus Xeno crab, often perfectly camouflaged among soft corals, or the miniature Pygmy seahorse bargibanti clinging to gorgonian fans. The equally elusive Pontohi Pygmy seahorse can also be found, requiring a keen eye and patience to spot their tiny forms.

The diverse topography of Angel's Window also provides ideal hunting grounds and shelter for predators and camouflaged marvels. Look for the striking Twin-spot lionfish, elegantly patrolling the reef, or the cleverly disguised Robust ghost pipefish, blending seamlessly with feather stars. The vibrant Green shrimp might hide among anemones, while the fuzzy Hairy shrimps often make their homes on sponges, adding to the site's macro-rich appeal.

Currents at Angel's Window are typically moderate, which tends to be ideal for drift diving but also allows for detailed exploration of the pinnacle's many niches. This consistent flow of water brings nutrients, sustaining the vibrant coral growth and the extensive macro faunal diversity. The interplay of current and reef structure creates sheltered zones where critters thrive, alongside more exposed areas that support robust coral health.

The visibility here generally ranges between 15 to 20 meters, providing clear views of the pinnacle's structure and its inhabitants without overwhelming ambient light. This clarity is crucial for observing the intricate details of macro life and for enjoying the full expanse of the coral formations. Such conditions allow divers to fully appreciate the unique geological features and the rich biodiversity that define Angel's Window in the Lembeh Strait.

Diving Angel’s Window: the marine life you’ll meet

Diving conditions

Angel’s Window is accessible to divers of all levels, offering a maximum depth of 25 meters. You can expect moderate currents at this site. Visibility typically ranges between 15 and 20 meters. The best time to dive here aligns with the region's driest period, extending from the end of March until the end of November.

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Frequently asked questions about Angel’s Window

When can you dive Angel’s Window?

You can dive Angel’s Window during the region’s driest period, which runs from the end of March until the end of November. This seasonal window suits exploring the twin-peaked coral pinnacle, its cave swim-through, the coral slope, and the drop-off with its window passage.

What experience level and depth suit Angel’s Window?

Angel’s Window is accessible to divers of all levels, with a maximum depth of 25 meters. You can choose among different descent routes, explore a large cave swim-through, follow the coral slope to its 15-meter plateau, or visit the window swim-through at approximately 22 meters.

What currents and visibility can you expect at Angel’s Window?

You can expect moderate currents at Angel’s Window, conditions that suit drift diving while still allowing detailed exploration of the pinnacle’s niches. Visibility typically ranges between 15 and 20 meters, giving you clear views of the coral formations, drop-off, swim-throughs, and marine life along the reef.

What will you see at Angel’s Window?

At Angel’s Window, you can explore a twin-peaked coral pinnacle, a large cave swim-through, and a drop-off with a window passage. Look for Tuberculatus Xeno crabs, pygmy seahorses, robust ghost pipefish, twin-spot lionfish, green shrimp, hairy shrimps, and varied hard and soft corals.