Top 10 Largest Lakes in Thailand: Exploring Nature’s Wonders in 2025
1. Cheow Lan Lake
Overview
Cheow Lan Lake, located in Surat Thani Province in Southern Thailand, is a man-made lake created by the Rajjaprabha Dam on the Phra Saeng River in 1982. Spanning 185 square kilometers, this vast reservoir is not only a significant source of hydroelectric power but also a popular tourist destination.
Activities
- Boating: Hire a boat for a refreshing ride on the lake, which can cost between 500 to 1500 THB. This is a great way to explore the lake's serene waters and hidden coves.
- Wildlife Watching: Observe the local flora and fauna of Khao Sok National Park, which surrounds the lake. The dense forests and limestone cliffs are home to a variety of wildlife, including monkeys, birds, and even otters.
- Kayaking: Explore the lake's secluded inlets and coves by kayak. This is a more intimate way to experience the natural beauty of the area.
- Photography: Capture the stunning limestone cliffs and dense forests that surround the lake. The unique landscape offers countless photo opportunities.
2. Bueng Boraphet
Overview
Bueng Boraphet, located in Nakhon Sawan Province in Central Thailand, is the largest artificial freshwater lake in Thailand, covering 224 square kilometers. This lake was created by a dam over the Nan River and is a popular spot for various activities.
Activities
- Fishing: Bueng Boraphet is known for its rich fishing opportunities. Common species include Siamese tigerfish, pheasant-winged jacanas, and Asian Open Bills.
- Bird Watching: The lake is a crucial habitat for various water birds, including the now possibly extinct White-eyed River Martin. Bird enthusiasts can spot over 180 species of water birds.
- Nature Walks: Enjoy the cool breezes and serene environment of the lake. Take a leisurely walk around the lake's perimeter to appreciate the natural beauty.
3. Nong Han Lake (Sakon Nakhon)
Overview
Nong Han Lake, located in Sakon Nakhon Province in Northeast Thailand, is the largest natural freshwater lake in the region, covering 125.2 square kilometers. The lake is fed by the Nam Pung River and is a significant source of water for the surrounding area.
Activities
- Boating: Take a refreshing ride on the waters of Nong Han Lake. This is a great way to explore the lake's vast expanse and enjoy the surrounding scenery.
- Fishing: The lake is home to a variety of fish species, including Puntius brevis, making it a popular spot for fishing enthusiasts.
- Forest Trekking: Explore the raw, wild forest near the lake. The dense forest offers a unique trekking experience and the chance to observe local wildlife.
4. Nong Han Lake (Kumphawapi, Udon Thani)
Overview
Nong Han Lake, also known as "Red Lotus Lake" or "Talay Bua Daeng," is located in Udon Thani Province in Northeast Thailand. This lake is famous for its vibrant red lotus flowers, which bloom from December to March, creating a stunning visual spectacle.
Activities
- Sunrise and Sunset: Witness the serene sunrise and the chirping of birds, creating a peaceful and magical atmosphere.
- Boat Ride: Enjoy a boat ride through the red lotus sea, which is especially beautiful during the blooming season.
- Photography: Capture the vibrant lotus flowers and the picturesque scenery, making for some memorable photos.
5. Kwan Phayao Lake
Overview
Kwan Phayao Lake, located in Phayao Province in Northern Thailand, is the largest freshwater lake in the region, covering 19.80 square kilometers. The lake is flooded by the Ing River and is a vital water source for the surrounding communities.
Activities
- Biking: Explore the lake's surroundings on a bike. This is a great way to enjoy the scenic views and get some exercise.
- Boating: Experience the magnificent nature of the lake by taking a boat ride. The lake's calm waters and lush surroundings make it a peaceful retreat.
- Fishing: The lake is home to 45-50 different species of fish, providing excellent fishing opportunities.
6. Songkhla Lake – Thale Sap, Thale Noi, and Thale Luang
Overview
Songkhla Lake, located in Songkhla and Phattalung Provinces in the Malay Peninsula, is the largest natural freshwater lake in Thailand, covering 1082 square kilometers. The lake is a fusion of three water bodies: Thale Sap, Thale Noi, and Thale Luang.
Activities
- Bird Watching: Visit the Thale Noi waterbird sanctuary to encounter over 180 species of water birds. This is a paradise for bird enthusiasts.
- Sunrise and Sunset: Enjoy the stunning views of the sunrise and sunset over the lake. The natural beauty is particularly enchanting during these times.
7. Bueng Si Fai Lake
Overview
Bueng Si Fai Lake, located in Phichit Province in Central Thailand, is the third-largest freshwater lake in the country. This oxbow lake is flooded by the Nan River and offers a variety of tourist activities.
Activities
- Aquarium Visit: Explore the nine-faced aquarium building, which is a unique attraction for visitors, especially families with children.
- Sunset Photography: Capture the beautiful sunset scenarios over the lake. The tranquil setting and stunning views make it a perfect spot for photography.
8. Huay Tung Tao Lake
Overview
Huay Tung Tao Lake, located in Chiang Mai Province, was built by King Bhumibol to address water scarcity in the region. The lake is a beautiful tourist attraction, offering a range of activities for visitors.
Activities
- Boat Ride: Explore the beautiful scenery of the lake by taking a boat ride. The calm waters and surrounding greenery create a peaceful atmosphere.
- Biking: Rent a bicycle and hike around the lake. This is a great way to enjoy the natural beauty and get some exercise.
9. Pang Ung Lake
Overview
Pang Ung Lake, located near the border of Myanmar, is often referred to as the "Switzerland of Thailand" due to its tranquil beauty. The lake is surrounded by lush forests and mountains, creating a serene and picturesque environment.
Activities
- Camping: Rent a tent for a romantic stay by the lakeside. The peaceful setting and natural beauty make it an ideal spot for camping.
- BBQ: Set up a BBQ evening feast along the lakeside. Enjoy the fresh air and stunning views while enjoying a delicious meal.
10. Vajiralongkorn Lake
Overview
Vajiralongkorn Lake, located in Kanchanaburi Province, was created by the Khao Laem Dam on the Khwae Noi River. The lake is a significant source of hydroelectric power and provides water for nearby farms.
Activities
- Rafting: Hire a raft from local vendors to explore the lake. The calm waters and scenic surroundings make it a relaxing and enjoyable activity.
- Walking: Stroll along the lake to enjoy the natural beauty and fresh air. The peaceful environment is perfect for a leisurely walk.
Additional Tips for Exploring Thailand's Lakes in 2025
Best Time to Visit
- Dry Season: October to April is the ideal time for boating and outdoor activities. The weather is pleasant, and the lakes are at their most scenic.
- Rainy Season: May to September can be more scenic with lush greenery and waterfalls, but some activities may be limited due to the rain.
Packing Essentials
- Sun Protection: Bring sunscreen, a hat, and sunglasses to protect yourself from the sun.
- Waterproof Gear: Pack a raincoat and a waterproof camera case to keep your belongings dry.
- Comfortable Footwear: Wear hiking shoes or comfortable walking shoes for trekking and exploring.
- Insect Repellent: Use insect repellent to avoid mosquito bites and other insect-related issues.
Sustainable Travel Tips
- Respect Wildlife: Do not disturb the local flora and fauna. Observe from a distance and avoid littering.
- Reduce Plastic: Use reusable water bottles and avoid single-use plastics to minimize your environmental impact.
- Support Local Communities: Purchase local handicrafts and eat at local restaurants to support the local economy.
Conclusion
Thailand's largest lakes offer a unique blend of natural beauty, wildlife, and recreational activities. Whether you're looking to fish, boat, or simply relax, these lakes provide a perfect escape from the hustle and bustle of city life. Plan your visit to one or more of these lakes in 2025 to experience the true wonder of Thailand's natural landscapes.
For more inspiration on exploring Thailand's natural wonders, check out our guide on Exploring Thailand's 5 Longest Rivers and discover the rich biodiversity and cultural significance of these waterways.