Samoa stands out as a destination for lovers of natural beauty and authentic encounters. Unlike more commercialized islands, Samoa offers genuine experiences like swimming in crystal-clear waterholes and exploring volcanic formations. We particularly love the primeval waters of Samoa because it combines adventure with flexibility, allowing you to customize your day exploring six stunning water destinations. Whether you’re a swimmer or just love scenic views, Samoa’s water-focused tours reveal the island’s wild side in a very hands-on way.
The island’s lush landscape, dramatic coastlines, and unique geological features make Samoa perfect for exploring by tour. The variety of options—from half-day adventures to full-day explorations—means there’s something for every traveler. If you’re interested in swimming in natural pools, exploring caves, or taking in breathtaking waterfalls, Samoa’s tours deliver authentic, memorable experiences. For those planning their trip, understanding what each tour offers helps you pick the best fit for your interests and physical stamina.
1. Tour of Primeval Crystal Waters of Samoa
On top of our list is the Tour of Primeval Crystal Waters, which scores a perfect 5/5 from five reviews. This 9-hour tour explores the island of Upolu with a focus on water adventures, making it ideal for anyone who loves swimming, scenery, and a bit of off-road fun. The tour visits six water destinations, including Piula Cave Pool, Lalomanu Beach, and the To Sua Ocean Trench, offering a diverse mix of freshwater and saltwater experiences.
What makes this tour stand out is its flexibility—guests can customize the stops and timing at each site. It’s a great way to beat the crowds and enjoy a personalized experience. The highlight for many is the To Sua Ocean Trench, where you can leap into clear, tidal waters from a steep ladder. The tour also includes visits to Sauniatu Waterfall, Lalomanu Beach, Togitogiga Waterfall, and the sea cliffs of the National Park, offering a comprehensive look at Samoa’s water-rich landscape. With a $163 price tag, this tour provides excellent value for those wanting a full day of water exploration.
Bottom Line: Perfect for water lovers who want a flexible, immersive day. It’s a top pick for families and active travelers wanting a personalized experience in Samoa’s stunning natural waters.
2. Cave Pool & Lava Tube Swims of Upolu
For $149 per person, the Cave Pool & Lava Tube Swims of Upolu offers a full-day adventure that combines exploring hidden caves with swimming in volcanic pools. This tour is ideal if you love a bit of hiking along with your water fun. It starts by taking you to the Piula Cave Pool, where you can swim beneath a historic church—an experience that feels almost surreal. The highlight, however, is the steep descent into the To Sua Ocean Trench for a swim in its tidal waters—an absolute must-do on Upolu.
One of the tour’s unique features is the jungle hike to discover the hidden entrance to the Vaiula Cave Pool, which offers an adventurous vibe. As you explore the volcanic landscape, you’ll also stop at Papapapaitai Falls, Samoa’s tallest at 110 meters, providing stunning photo opportunities. The tour includes a relaxing lunch of sandwich rolls at Tafatafa Beach and Fales, making it a well-rounded day of adventure and relaxation.
Pros: The tour combines hiking and water, making it perfect for active travelers who want more than just a swim. It’s praised for its scenic stops and the chance to explore less-visited sites.
Cons: The steep descent into the trench may be challenging for some, so moderate fitness helps.
Bottom Line: If you’re after a combination of hiking, caving, and swimming in volcanic pools, this tour offers excellent value and memorable moments.
$149 per person
3. Adventour Samoa: To Sua Trench/Swimming Hole
At $200 per person, the Adventour Samoa: To Sua Trench/Swimming Hole is a shorter, 8-hour tour that focuses on Samoa’s most iconic water feature—the To Sua Ocean Trench. This tour is perfect for travelers who want to see the landmark with a knowledgeable guide and enjoy its stunning views from above and below.
This geological marvel is a giant sinkhole filled with crystal-clear ocean water, surrounded by lush greenery. The tour takes you down the steep ladder into the trench, where you can swim and enjoy the tranquility. The experience is about more than just the swim; it includes a detailed explanation of the formation and significance of the site. The tour is especially suitable for those who want a high-quality, guided visit without the fuss of multiple stops.
The To Sua Trench is Samoa’s most famous natural attraction, and this tour offers a chance to enjoy it with insight and comfort. The price reflects its focus on quality and the iconic nature of the site.
Pros: Ideal for travelers wanting a dedicated, in-depth visit to To Sua with expert guidance.
Cons: Slightly more expensive and less comprehensive in water destinations compared to longer tours.
Bottom Line: For a focused, quality experience of Samoa’s most recognizable water feature, this tour is a solid choice.
$200 per person
How to Choose
When selecting a tour in Samoa, consider your interests and pace. The Tour of Primeval Crystal Waters is ideal if you want a flexible, full-day water adventure with a variety of stops. If hiking and exploring volcanic caves appeal to you, the Cave Pool & Lava Tube Swims offers a more active, exploratory day. For travelers who want a high-quality visit to the most iconic spot—the To Sua Ocean Trench—the Adventour Samoa provides an engaging, guided experience.
Budget-wise, the tours range from $149 to $200, reflecting differences in duration, inclusions, and focus. If you’re short on time but want to see the landmark, the shorter To Sua tour fits well. For those seeking a comprehensive water day, the full-day options offer excellent value.
Booking early is recommended, especially during peak seasons or if you’re traveling in a group. Consider your fitness level—some tours involve steep descents or hikes—and plan accordingly.
Samoa’s water features, from historic pools to volcanic trenches, make it a top destination for adventurous travelers. Whether you choose a customizable water tour, an active cave exploration, or a guided visit to Samoa’s most famous sinkhole, each option promises memorable natural encounters. For a well-rounded trip, booking one of these tours early ensures you won’t miss out on Samoa’s spectacular aquatic scenery.