River Monster Tour Siem Reap: Face Tonle Sap Lake Giants

Watch massive river giants in their habitat, then walk the aquarium behind the scenes

The River Monster Tour is a half or full-day guided experience on Tonle Sap Lake near Siem Reap where you see river giants in their natural ecosystem with a private English-speaking guide. The tour includes park entry to Angkor Wildlife & Aquarium, bottled water, snacks, cold towels and food for feeding animals. Pickup is included. You explore the aquarium exhibits at your own pace after the lake portion.

Step-by-step itinerary

Explore Tonle Sap Lake and Aquarium

• Join private River Monster Tour
• Learn about Tonle Sap ecosystem
• See giant river creatures up close
• Visit Angkor Wildlife & Aquarium
• Explore wildlife exhibits at own pace

The experience

What does it actually feel like to see a river monster in person? This tour answers that by taking you onto Tonle Sap Lake with a private guide who knows the ecosystem and the creatures that live in it. You're not watching a documentary. You're on the water, watching massive river giants move through their habitat and learning how this lake sustains millions of lives across the region. The guide explains the role these creatures play in connecting entire ecosystems and neighboring countries, turning what could be a spectacle into something that makes sense.

After the lake portion, you get rare access to see how Angkor Wildlife & Aquarium cares for and manages these giants behind the scenes: an experience most aquariums don't offer visitors. Then the park is yours to explore at your own pace. Full entry is included, so you move through the exhibits on your schedule, not a group's. Bottled water, snacks and cold towels come with you throughout, and you get food to feed the animals as you go.

The tour runs half or full day depending on what you choose at checkout. Pickup is included, and the guide speaks English. It's suitable for all fitness levels and works for families with infants and small children. They can ride in a stroller or sit on an adult's lap.

What’s included

• Bottled water and snacks throughout the day.
• cold towels.
• food for feeding fish and animals at the aquarium.
• full park entry to Angkor Wildlife & Aquarium with self-paced exploration after the guided lake portion.
• private English-speaking guide.
• hotel pickup and round-trip transport.
• all fees and taxes.

Before you book

Days and timesEvery day

AgesAdult (12 and older) · Child (3 to 11 years) · Infant (under 3): free

GroupPrivate

Live guideEnglish

Audio guideEnglish

Meeting point and pickupHotel pickup is optional; you can also go straight to the meeting point. Ends back at the starting point.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.

Prices and times updated 4 days ago

Good to know

Low physical effortWheelchair accessibleStroller-friendlyPublic transport nearbyInfants must sit on laps

Operated by Angkor Wildlife & Aquarium

Is this one for you?Book the private guide option if you want someone who knows the lake's ecosystem and can explain what you're seeing as it happens. The guide makes the difference between watching creatures and understanding their place in the region. Choose the full-day option if you want unhurried time in the aquarium exhibits after the lake portion. The half day works if you're fitting this around other plans in Siem Reap.

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Top questions

Can children come?

Yes. Ticket types: Child (3 to 11 years); Infant (under 3): free.

What kind of river monsters will I actually see on Tonle Sap Lake?

The tour focuses on the massive river giants that live in Tonle Sap Lake: the creatures that inspired the Discovery Channel series "River Monsters." Your guide will point out and explain these species and their role in the lake's ecosystem, though specific sightings depend on the day and conditions on the water.

How long does the River Monster Tour take?

The tour runs between a half day and a full day depending on which option you choose at checkout. The lake portion is the core experience, and the aquarium exploration happens after, at your own pace.

Is the aquarium part included in the price, or do I pay separately?

Full park entry to Angkor Wildlife & Aquarium is included in the tour price. After the guided lake portion, you explore the exhibits and behind-the-scenes areas at your own pace with no additional ticket needed.

Does the tour include transportation from my hotel?

Yes, pickup is included. Your private guide will collect you from your hotel in Siem Reap and bring you back after the tour ends.

What's included in the tour package?

The River Monster Tour includes a private English-speaking guide, park entry to Angkor Wildlife & Aquarium, bottled water, snacks, cold towels, food for feeding the animals, pickup from your hotel, and all fees and taxes.