IANTD · Cave 01 · Cavern

Cavern DiverYour first taste of overhead environments

IANTD

Course Overview

Cavern Diver introduces you to overhead-environment diving — staying within natural light (typically the cavern zone, max 60 m linear distance from surface). 2 days at iconic Song Hong and Sa Kaew springs in Northern Thailand.

2 days Max depth: Cavern zone 18+ yrs From 29,000 THB

What You'll Learn

Skills & Knowledge

Cavern definition & limits
Reel & line work
Team communication
Gas management (rule of thirds)
Flow-line awareness

Course Structure

How It Works

Day 1 — Theory + lines in pool
Day 2 — Sea dives at Song Hong / Sa Kaew

Prerequisites

Before You Start

Advanced Open Water
25+ logged dives
Minimum age 18

What's Included

In the Price

Cave-specific gear (helmet, lights, reels)
4 dives
Certified instructor
Cert card
Insurance

Price

29,000 THB

2 days — Cavern zone

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Part of BB Marine · PADI 5-Star Dive Resort · IANTD Cave Facility