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.
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.
Traveler reviews
Compare the 13 similar options
River Monster Tour Siem Reap: Face Tonle Sap Lake Giants★ 4.97 (116)1h–5hENUS$ 30
Kompong Phluk Stilt Village & Tonle Sap: Boat Tour from Siem ReapHalf-day boat tour of Kompong Phluk floating village from Siem Reap. Stilt homes, local guide, sunset on Tonle Sap Lake, hotel pickup included. Small groups, 4–5 hours.★ 4.90 (260)6hENUS$ 20View ›
ATV Off-Road Tour Siem Reap: Ride Through Khmer VillagesRide an ATV through Siem Reap's countryside on local roads and rice paddies, with hotel pickup, helmet, guide and water included★ 4.98 (495)2hENUS$ 45View ›
Zipline Angkor Park Siem Reap: 10 Lines, 21 PlatformsSoar across 21 platforms through Angkor Archaeological Park on 10 ziplines. Five hours with two guides, groups capped at nine, insurance included. Gold and Silver courses.★ 4.92 (620)3hENUS$ 54View ›
Siem Reap: Kampong Khleang Floating Village & Tonle Sap Boat TourHalf-day tour from Siem Reap to Kampong Khleang floating village on Tonle Sap Lake. Includes English guide, boat ride, entrance fees and pickup. Around 5 hours.★ 4.98 (192)3h 30mENUS$ 60View ›
Kampong Phluk Floating Village Tour: Private Boat & SunsetBoat tour of Kampong Phluk floating village on Tonle Sap lake from Siem Reap with hotel pickup and English guide — see stilt houses★ 4.97 (1,743)6hENUS$ 20View ›
Tonle Sap Lake Boat Tour & Kampong Phluk Village Half-DayHalf-day boat tour from Siem Reap to Tonle Sap Lake and Kampong Phluk Village with a local English-speaking guide★ 4.84 (1,073)5hENUS$ 49View ›
Kompong Phluk Floating Village: Private Boat & Stilt HousesPrivate half-day tour of Kompong Phluk floating village on Tonlé Sap lake. See stilt houses, mangrove forest, and fishing life. Includes hotel pickup, English guide, and boat.★ 4.90 (186)4hENUS$ 39View ›
Tonle Sap Lake & Kampong Phluk: Private Boat Tour from Siem ReapStep into the world of Kampong Phluk on Tonle Sap Lake with a private boat ride, local village visit, and hotel pickup—see stilt houses, wetlands, and daily life up close.★ 4.93 (160)4hENUS$ 59View ›
Battambang Day Trip from Siem Reap: Bamboo Train at SunsetVisit Battambang's countryside from Siem Reap for the Bamboo Train, Wat Banan temple, Killing Caves, and bat emergence with private car, guide and lunch.★ 4.88 (104)15hENUS$ 132View ›
Kampong Phluk sunset tour from Siem Reap: stilt village by boatBoat tour of Kampong Phluk floating village from Siem Reap with Khmer guide, hotel pickup and sunset on Tonlé Sap Lake -- watch fishermen navigate★ 4.93 (5,564)5h–6hENUS$ 21View ›
Phnom Kulen: Waterfall Swim, River Carvings & Local LunchFeel ancient Cambodia at Phnom Kulen—swim beneath waterfalls, see riverbed carvings, and share a picnic lunch. Includes Siem Reap pickup and local guide.★ 4.89 (2,670)8h–9hENUS$ 48View ›
Kompong Phluk Floating Village Tour from Siem ReapFloat past stilted homes and flooded forest on Tonle Sap Lake with a motorized boat tour from Siem Reap, including hotel pickup, a local market stop★ 4.92 (1,714)5hENUS$ 24View › Top questions
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.
Can I bring my young children on this tour?
Yes, the tour is suitable for all ages and fitness levels. Infants and small children can ride in a pram or stroller, and infants must sit on an adult's lap during the boat portion on Tonle Sap Lake.
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.
River Monster Tour Siem Reap: Face Tonle Sap Lake Giants
1h–5h · EN · at your hotel
from US$ 30 per person
★★★★★★★★★★4.97116 reviews
















