Arenal Volcano, Costa Rica's best-known stratovolcano ... You can hike the national park's trails on your own with just a trail map, but several recent visitors recommended hiring a guide to ...

After a trek to Arenal Volcano, head about 6 miles west for a soak in Tabacón's luxurious thermal springs. With its serene flowing waterfalls, tropical foliage and mineral-rich natural springs ...