Vouliagmeni Lake thermal swim near Athens: Private tour

Warm mineral waters, limestone cliffs, and a choice of the Aegean beyond

A private tour from Athens to Vouliagmeni Lake, where you swim in naturally warm thermal waters fed by underground springs and set within a protected landscape framed by limestone cliffs. The tour includes hotel or cruise port pickup, a professional driver, and four hours on the Athenian Riviera. You can upgrade to include the Temple of Poseidon at Cape Sounio with lunch at a local taverna. A licensed guide is available on request, depending on availability.

Step-by-step itinerary

Thermal lake swim and beach visit

• Swim in warm thermal lake waters
• Relax at Kavouri beach
• Optional upgrade: visit Temple of Poseidon
• Optional upgrade: enjoy seaside lunch

The experience

Vouliagmeni Lake sits just outside Athens on the Athenian Riviera, fed by underground thermal springs that keep the water at a constant 22°C year-round. The lake is mineral-rich and surrounded by limestone cliffs and Mediterranean vegetation, making it a protected natural landscape where you can swim without the logistics of getting there yourself. Your driver picks you up from your hotel or cruise port and handles the route, so the day is already arranged when you arrive.

You'll spend time swimming in the lake's thermal waters, then move to Kavouri, a nearby beach on the Riviera with clear water and pine-lined coastline, where you have an hour to swim in the Aegean or simply rest by the sea. The tour runs four hours total. If you choose the upgrade to the Temple of Poseidon at Cape Sounio, the route extends along the scenic Riviera to this clifftop temple overlooking the Aegean, and includes a relaxed lunch at a local taverna where you can eat Greek food while looking out at the sea. That version is a fuller day and a different kind of outing. The thermal lake becomes the first stop rather than the main event.

The driver is a professional with deep knowledge of the area's history and geography, though they are not licensed to guide you inside sites. If you want a licensed guide to accompany you and explain what you're seeing, you can request one at checkout, subject to availability. Airport pickup is available for an additional cost if you need it.

What’s included

• Private transportation with a professional driver.
• hotel or cruise port pickup and drop-off.
• access to Vouliagmeni Lake for swimming.
• one hour at Kavouri beach.
• on the Temple of Poseidon upgrade, the scenic drive to Cape Sounio and a relaxed lunch at a local taverna.

Options for this experience

2 options

Thermal spa at Vouliagmeni LakeGuide in English · 09:00Entrance is included; pickup is included

Lake and Temple of PoseidonGuide in English · 09:00Lasts 7 hours; a seaside lunch is included; entrance to Vouliagmeni Lake and the Temple of Poseidon is included; pickup is included

You'll see the exact price of each option when you check availability.See dates and prices

Before you book

Days and timesEvery dayDeparts at 09:00

GroupPrivate

Live guideEnglish

Meeting point and pickupHotel pickup included.

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

Prices and times updated 8 days ago

Good to know

Low physical effortWheelchair accessibleAccessible transportStroller-friendlyInfant seats availablePets welcomePublic transport nearbyInfants must sit on laps

Operated by Olive Sea Travel

Is this one for you?Book the Lake & Poseidon's Temple option if you want a full day that combines the thermal swim with a major coastal landmark and a meal by the sea. Choose the Vouliagmeni Lake Thermal Spa option if you prefer a shorter, focused morning or afternoon centered on the warm waters and the beach without the temple or lunch commitment.

Traveler reviews

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Top questions

What makes Vouliagmeni Lake stay warm enough to swim in all year?

Vouliagmeni Lake is fed by underground thermal springs that maintain the water at a constant 22°C throughout the year, regardless of the season. The water is also mineral-rich, which adds to its relaxing properties.

How long do I actually spend swimming in the lake on this tour?

The tour runs four hours total. You'll swim in Vouliagmeni Lake, then have an hour of free time at Kavouri beach nearby. The rest of the time covers travel and transitions between stops.

What's the difference between the two tour options?

The Lake & Poseidon's Temple option extends the route to Cape Sounio to see the Temple of Poseidon and includes a seaside lunch at a local taverna. The Vouliagmeni Lake Thermal Spa option focuses on the lake and Kavouri beach without the temple or lunch.

Does the driver explain what I'm seeing, or do I need to hire a separate guide?

Your driver is a professional with deep knowledge of the area's history but is not licensed to guide you inside sites. You can request a licensed guide at checkout if you want detailed explanations, depending on availability.

Can I arrange airport pickup for this tour?

Yes, airport pickup and drop-off are available for an additional cost beyond the tour price. Let the operator know when you book if you need this service.

Is this tour accessible if I use a wheelchair or travel with young children?

The tour is wheelchair accessible, with accessible transportation and all areas and surfaces at the sites wheelchair accessible. Infants can ride in a pram or stroller, and specialized infant seats are available in the vehicle. The tour suits all physical fitness levels.