The best way to discover Arenal Volcano is by hiking the trails of its park, which lead through rainforest and old lava fields.
You will start on the western flank of the mountain and venture onto the “Toucan Trail”, which crosses a lava field dating back to 1992. Along the way, you will see a substantial variety of plants, wildlife and a number of volcanic rock formations, each more striking than the last. Most of Costa Rica's 850 bird species can be observed within the park.
At the top of the lava field, you will have a fine view over Lake Arenal. You can also visit the nearby hot spring, at an additional cost.