Jacamar Naturalist Tours Hanging Bridges Arenal takes place on a 600-acre reserve filled with lush vegetation and a variety of birds and animals. On this half-day tour, tourists will walk above the trees on hanging bridges and experience the marvellous canopy forest like never before. On clear weather days, tourists will enjoy a spectacular view of the Arenal Volcano, as well as stand a good chance of spotting exotic wildlife.