Umm Khararim
St John's

Umm Khararim.

St John's Caves — cathedral of light tunnels
Depth5–20 m
EntryBoat entry
DifficultyIntermediate
RegionSt John's
Conditions
24–29°C
Water temp
20–30 m
Visibility
Mild
Current
Year-round
Best season
Hazards & safety
Overhead cavern environment·Disorientation in tunnel maze·Silt-out in tight passages
Depth & your standing
5–20 m
Site depth range
Conditions & forecast
Diving: Marginal
Wind
26 km/h N
Air
28°C
Water
28.6°C
Waves
0.7 m
Tide
↓ Falling
High 12:00 · Low 05:00
Next 24 hours
01h
28°
26 km/h
02h
27.9°
27 km/h
03h
27.6°
29 km/h
04h
27.2°
29 km/h
05h
27.1°
30 km/h
06h
27.2°
32 km/h
07h
27.2°
31 km/h
08h
27.2°
31 km/h
09h
27.3°
31 km/h
10h
27.4°
31 km/h
11h
27.6°
32 km/h
12h
27.7°
32 km/h
13h
27.7°
32 km/h
14h
27.8°
33 km/h
15h
27.8°
34 km/h
16h
27.9°
34 km/h
17h
28°
33 km/h
18h
28°
32 km/h
19h
28°
32 km/h
20h
27.9°
31 km/h
21h
27.8°
32 km/h
22h
27.7°
32 km/h
23h
27.6°
32 km/h
00h
27.7°
34 km/h
Sun
28.1° / 27.1°
34 km/h · 0.9 m
Mon
27.9° / 27.1°
36 km/h · 0.9 m
Tue
27.2° / 26.6°
37 km/h · 0.9 m
Wed
27.1° / 26.3°
35 km/h · 0.9 m
Thu
27.2° / 26.5°
35 km/h · 0.9 m
Fri
27.5° / 26.5°
23 km/h · 0.6 m
Sat
28° / 26.5°
19 km/h · 0.4 m
About this site
Catalog

Umm Khararim, the iconic 'St John's Caves', is a labyrinth of interconnected tunnels, caverns and swim-throughs where shafts of sunlight pierce narrow openings to create cathedral-like light beams. The maze of pristine coral passages and the dramatic illumination make it one of the most photogenic dives in the southern Red Sea. Most passages are shallow and well-lit, but a guide is essential to navigate the network.

What you'll see
Marine life
HighModerateLow
Probabilities are aggregated from verified sightings by Dive Plaza divers. They are guides, not promises — the sea is the sea.
Red Sea · Egypt
Location
23.7200° N · 35.8100° E
Gallery
3 photos · 0 videos
Photo: Hammer Head 2 archive
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