Los Tilos holds one of the most important laurel forests in the Canary Island archipelago. It is an ecosystem inherited from the Tertiary epoch, and declared Core Zone of the La Palma World Biosphere Reserve. Situated in the municipality of San Andrés y Sauces, it preserves a natural heritage of exceptional value.
With regard to flora, of particular note are: tiles (Ocotea foetens), viñátigos (Persea indica), palos blancos (Picconia excelsa), laureles (Laurus novocanariensis), acebiños (Ilex canariensis), barbuzanos (Apollonias barbujana), madroños (Arbutus canariensis), peralillos (Maytenus canariensis), fayas (Myrica faya), brezos (Erica arborea) and extraordinary giant ferns. And among the fauna, Bolle’s Pigeon and the White-tailed Laurel Pigeon, as well as countless invertebrates, deserve special mention.
There is an Interpretation Centre with a permanent display explaining the natural values of the surroundings. The area is ideal for walking, and offers good hiking opportunities. The longest route reaches the springs of Marcos y Cordero, via the approved circular route . Shorter routes include the Espigón Atravesado viewpoint (also via the PR LP 6) or the Las Barandas viewpoint (PR LP 7).