Skip to main content FR DE IT

Koh Talu (Chumphon]

เกาะทะลุ

Tunnel Island

Beginner Peak Season

An island with a natural tunnel through the rock and surrounding reefs for easy diving and snorkeling.

Depth Range

5–15m

Site Type

island reef

Chumphon

Visibility

8–20m

27–30°C

Getting There

45 min boat from Chumphon

Chumphon coast

Live 7-Day Conditions — Koh Talu (Chumphon]
SST ~30.2°C
Thu
2 Jul
52
marginal
22km/h W
0.6m
Fri
3 Jul
53
marginal
17km/h W
0.5m
Sat
4 Jul
54
marginal
20km/h W
0.5m
Sun
5 Jul
60
good
17km/h SW
0.5m
Mon
6 Jul
60
good
16km/h SW
0.4m
Tue
7 Jul
60
good
19km/h SW
0.5m
Wed
8 Jul
53
marginal
20km/h W
0.6m

Marine Life

Reef Fish Anemonefish Parrotfish

Notable Features

  • Natural rock tunnel
  • Good reef coverage
  • Combined land and sea exploration

Best Time to Visit

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak Good Now

About Koh Talu (Chumphon]

Koh Talu (Chumphon] features a natural tunnel piercing through the island's limestone — giving it the name "Pierced Island." The reef around the island is in good condition with coral gardens and a variety of reef fish. The tunnel itself can be explored at low tide, adding a unique above-water adventure.

Tips

Explore the tunnel at low tide. Snorkeling is best on the sheltered side.

Experience Required

All levels.

Location

GPS: 10.8600°N, 99.5900°E

Learn to Freedive in the Gulf of Thailand

Sites like Koh Talu (Chumphon] are what the Gulf has to offer. Get certified with us on Koh Samui — train at Sail Rock and Koh Tao in groups of no more than 3, skip the Koh Tao ferry, and dive the best of the region.

New to freediving? Get the free beginner's guide first.

Check Availability