La Fortuna is a small town in Costa Rica, northwest of the capital, San José. It’s known as a gateway to Arenal Volcano National Park, comprising 2 volcanoes. Active Arenal Volcano is still laced with lava flows. Hot springs dot the foot of the volcano, on the thermal Tabacón River. Dormant Chato Volcano has a crater lake and rainforest trails leading to La Fortuna Waterfall, with its natural pool.