If you're going to Costa Rica to experience its rainforest, volcanoes, and nature and the Arenal Observatory Lodge & Spa gives you unparalleled access to this extraordinary ecosystem. There are 870 acres on the property to explore, including 270 acres of natural primary rainforest with rivers and waterfalls, 400 acres of reforested land and tropical gardens, and 200 acres of pastureland. The gardens and landscaping are extravagantly designed with colourful flowering plants, shrubs, and trees chosen to attract wildlife, such as jewel-toned hummingbirds, brilliant butterflies, and exotic birds.