Water Activities & Wildlife Arenal Volcano Water Activities, La Fortuna The water activities are full of adventures, lots of nature, and animals to see downstream of the rivers, the beautiful and calm Arenal Lake at the foothills of the Arenal Volcano is an excellent place to make kayaking or cruise to the sunset. Hiking Tours Combos Water Activities & Wildlife Family Friendly Adrenaline Tours Senior Friendly Wheelchair Accessible Gastronomy and Culture Please enable javascript in your browser to book