ATM Cave (Actun Tunichil Muknal) Guided Tour — San Ignacio Belize Cave Ruins
Move beyond the jungle edge into the ATM Cave — a river-carved cathedral of stalactites and Mayan sacrifice. This guided trip from San Ignacio combines three hours of cave exploration with archaeological storytelling and practical wilderness travel.
The Experience
Before You Go
Wear sturdy water shoes
Expect repeated river crossings and slick limestone; closed-toe water shoes or sandals with straps keep you steady and protect toes.
Bring a waterproof bag
Phones and small cameras should be sealed in a dry bag or waterproof case — pockets will get soaked during wades.
Be honest about health and fitness
The tour involves climbing, wading and low crawls; disclose cardiovascular or mobility issues before booking.
Respect no-touch zones
Do not touch artifacts or calcite formations — natural oils and contact damage fragile surfaces and archaeological material.
Local Knowledge
Hidden Gems
- •Cahal Pech Maya site — a compact ruin near town with panoramic views
- •Barton Creek canoe trip — quiet limestone passages and small caves you can paddle through
Wildlife
- •howler monkeys
- •bats
Conservation Note
Visitor numbers are controlled and guides enforce strict no-touch rules to protect fragile calcite formations and archaeological material; follow all instructions to minimize impact.
ATM was first explored in 1989 and contains Classic Period Maya offerings and more than a dozen human burials, offering rare insight into ritual responses to drought.
Photographer's Notes
- • Sinkhole entrance and stream crossing
- • Main chamber containing flowstone and archaeological finds (observe rules)
- • Approach trail through jungle for context shots
What to Bring
Closed-toe water shoesEssential
Grip and toe protection for river crossings and slippery cave surfaces.
Quick-dry clothingEssential
Dries fast after wades and reduces chafing in humid conditions.
Small waterproof dry bagEssential
Keeps phone, documents and spare clothes dry during stream crossings.
Headlamp or small handheld flashlight
Guides provide headlamps, but a personal light adds redundancy for dark stretches.
Common Questions
How long is the cave portion of the tour?
The guided cave exploration is about three hours; the full tour including transport from San Ignacio typically takes 6–8 hours.
Is swimming required?
You’ll wade and float in a perennial stream; full swimming is rare but comfort in waist-deep water is necessary.
Can children go on this tour?
Children can participate if they are steady walkers and comfortable with water and confined spaces; minimum age and fitness requirements vary by operator — check when booking.
Are cameras allowed inside the cave?
Photography is allowed in most areas but flash or tripods may be restricted in sensitive chambers to protect artifacts and calcite deposits — follow your guide’s instructions.
Do guides provide safety equipment?
Yes — helmets and headlamps are provided; life vests may be available on request for weaker swimmers.
What should I do about food and water?
Bring water and a light snack; lunch is often included on full-day tours, but packing water and electrolytes is recommended for the humid trek.
Book This Experience
Check AvailabilityDuration
6–8 hours
Location
San Ignacio, Cayo District
Difficulty
challenging
Fitness Level
Moderate to fit: comfortable with multiple wades, uneven rock, short climbs and some low crawls
Ready to Explore San Ignacio?
Book your guided walking tour and discover the hidden stories of this historic mountain city.
Check Availability & Book Now