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Explore Andros with a scenic river trek leading to Greece’s only waterfall in the Cyclades. Enjoy swimming, stunning views, and expert guides for an authentic adventure.
If you’re looking for an authentic outdoor adventure in Greece, the Achla River Trekking to the Waterfall offers a refreshing escape into nature’s quiet wonders. This tour is a fantastic way to experience one of the island’s most beautiful natural sites — the Gerolimni Waterfall — and get your dose of fresh air, scenic views, and a bit of physical activity.
What makes this trek particularly appealing is the combination of a manageable hike, river trekking, and a chance to cool off in crystal-clear waters at the end. The experience is suitable for those who enjoy light to moderate physical activity in a natural setting, with a guide who makes the journey informative and fun.
One thing to keep in mind is that the activity involves some physical effort, so it’s best suited for travelers who are comfortable on their feet and don’t have mobility issues. Also, since the tour ends back at the meeting point for most options, it’s ideal for those based in Chora, though transport from other parts of the island is available for a fee.
This tour will especially resonate with nature lovers, adventure seekers, and anyone craving a break from typical tourist routes to find a hidden gem in Greece’s Cyclades. It’s a perfect choice for families (with kids over a certain age), small groups, or solo travelers wanting a memorable, nature-filled experience.


Outdoor enthusiasts can explore more Andros trails with these hiking options
Starting from your hotel in Chora, the day begins with a comfortable transfer (included in the price) to the meeting point — if you’re based in Chora. For guests staying elsewhere, options are available for a separate fee, like hotel pick-up and drop-off in Gavrio or Batsi. The journey sets the tone for the adventure: a scenic drive that hints at the natural beauty awaiting you.
Once at the starting point, you’ll embark on a short hike that gently ascends towards the Achla River. This initial stretch is designed to be manageable, setting a relaxed tone for the trek ahead. The guide, who ideally speaks both Greek and English, will explain what to look for along the way, pointing out local flora and sharing snippets of local lore.
The real adventure begins once you step into the river. You’ll navigate the flowing streams, walking past trees and over smooth rocks, feeling the cool water swirl around your ankles. The river trekking section is about enjoying the landscape — a chance to appreciate how pristine and untouched this part of Andros truly is. This part of the tour is where a lot of reviewers found joy, describing it as a manageable yet engaging activity that rewards your effort with scenic views and a sense of connection to nature.
The highlight of the trip is reaching the Gerolimni Waterfall, the only one in the Cyclades. It’s a true oasis — a lush, green spot where water cascades down moss-covered rocks into a natural pool. According to a reviewer, the hike up was just the right level of effort, enough to earn the moment of relief and delight at the top. Another said, “the hike was manageable, just enough effort to make you feel like you really deserved the incredible treat.”
Once at the waterfall, you’ll have time to relax, take photos, and most importantly, enjoy the chance to cool off. The water is described as crisp and refreshing, perfect for a swim after the trek. Reviewers love the serenity of this spot — it’s a peaceful retreat where you can unwind and soak in the scenery. Expect to see some dive bombing (a bit of fun for kids and the young at heart), which adds a playful touch to the experience.
After spending quality time by the waterfall, the tour will follow an easier route back, retracing your steps through the river and towards the starting point. The return is designed to be less strenuous, giving you a chance to reflect on the highlights of your adventure.
For those staying in Chora, the tour concludes with a drop-off at your hotel, making the whole experience seamless. If you’re elsewhere, transport options are available, ensuring you don’t have to worry about logistics after your exciting day.
The tour’s price of around $73 per person offers excellent value considering what’s included. You’ll get transport from and to your accommodation in Chora, a packed lunch, bottled water, safety and first-aid equipment, and the company of an experienced local instructor. The guides, often praised as friendly, considerate, and knowledgeable, make a real difference — particularly Bill, who is noted for bringing extra snacks and capturing everyone’s smiles on camera.
Not included are hotel pick-up and drop-off if you’re based outside Chora, like in Gavrio or Batsi, which could be a consideration if you’re staying farther away.
Bring a hat, swimwear, towel, sunscreen, comfortable clothes, and sports shoes. Sandals, flip-flops, large luggage, and open-toed shoes are not allowed, ensuring safety on the river trek. Children must be accompanied by an adult, and the activity is not suitable for pregnant women or those with mobility issues.
The activity lasts approximately four hours, with start times depending on your booking availability. Be aware that the tour involves some physical effort, and participants should have personal travel insurance covering any potential mishaps.
Reviewers highlight how the guides make this experience special. Jenna, who did the tour with her mother and children, appreciated the guide’s friendliness and patience, especially noting how he engaged with the kids around their interests. She also emphasized the beautiful and serene swim at the waterfall — an unforgettable moment.
Boudewijn summed it up succinctly: “A must do on Andros. Excellent guide.” This sentiment echoes the general consensus — the guided nature of the trip, combined with the stunning scenery, makes it a memorable outing.

This trek offers more than just a pretty waterfall; it’s an opportunity to connect with the natural landscape in a way that’s accessible yet rewarding. You’ll love the way the river trail feels like a true escape from modern life, especially if you appreciate scenic views and a bit of adventure. The inclusion of transport, lunch, and safety equipment makes it a practical choice too, especially if you want a hassle-free outdoor activity.
It’s an ideal choice for families with older kids, couples, or small groups seeking an authentic experience that balances physical activity with relaxation. If you’re after a scenic, well-organized excursion that offers a genuine taste of Andros’s natural beauty, this tour delivers.

Is transportation included?
Yes, transport from and to your hotel in Chora is included. If you stay elsewhere, such as Gavrio or Batsi, you can pay extra for pick-up and drop-off.
How long does the tour last?
The activity lasts about four hours, including transportation, trekking, swimming, and return.
What should I bring?
Bring a hat, swimwear, towel, sunscreen, comfortable clothes, and sports shoes. Avoid sandals, flip-flops, or large bags for safety and convenience.
Is the activity suitable for children?
Children over a certain age can participate, but they must be accompanied by an adult. It’s not recommended for unaccompanied minors or those with mobility issues.
Can I cancel if my plans change?
Yes, you can cancel up to 24 hours in advance for a full refund. You can also reserve now and pay later to keep your plans flexible.
What if I’m staying outside Chora?
You will need to pay extra for hotel pick-up and drop-off, as the included transport is only for accommodations in Chora.
Is this activity safe?
Yes, safety equipment and first aid are provided, and guides are experienced. Participants should follow instructions carefully for a safe experience.
To sum it up, the Achla River Trekking to the Waterfall is a well-rounded, authentic adventure that showcases the natural beauty of Andros. With stunning scenery, manageable activity levels, and friendly guides, it’s a fantastic way to spend half a day enjoying Greece’s lesser-known treasures. Whether you’re a nature enthusiast or simply seeking a memorable outing, this tour offers clarity, joy, and a true taste of the island’s wild side.