rio frio river in the cano negro nature reserve in costa rica

river water lake tree nature shore sky reflection cloud sea reservoir landscape bay waterway coast morning horizon alajuela america beautiful beauty biodiversity birdwatching boat cano negro central conservation costa rica countryside destination ecotourism environment exotic fauna forest jungle lagoon mangroves marshes national park natural outdoor rainforest refuge reserve rio frio rural sanctuary scenery scenic scenics summer tourism travel tropical vegetation wetland wild wilderness wildlife