Caldera de Taburiente Rim Trail

The Caldera de Taburiente Rim Trail traverses the volcanic crater edge of Caldera de Taburiente National Park on La Palma, one of the Canary Islands' most dramatic landscapes and part of a UNESCO Biosphere Reserve. The trail follows the jagged rim above one of the largest erosion calderas in the world — nearly 8 kilometres across and over 1,400 metres deep — with vertiginous views down into the basin and out across the Atlantic Ocean. Access is most commonly made from the LP-4 summit road, which climbs to Roque de los Muchachos at 2,426 m, the highest point on La Palma and home to one of Europe's foremost astronomical observatory complexes. A private vehicle or taxi from Los Llanos de Aridane is necessary as the high rim road has no regular bus service. The park visitor centre at El Paso provides maps and current trail conditions. The rim trail covers approximately 18 kilometres with around 900 metres of cumulative elevation change. The path alternates between dense Canarian pine forest on sheltered slopes and open ridge walking fully exposed to Atlantic winds. Surface conditions range from compacted dirt and rock to loose volcanic soil on steeper sections. The route from Roque de los Muchachos descends gradually along the rim, passing viewpoints including Punta de los Roques overlooking the caldera's inner basin. Key landmarks include the imposing Roque de los Muchachos summit itself, the Isaac Newton Telescope building visible on the rim, and Barranco de las Angustias — the narrow canyon draining the caldera floor to the sea. Drinking water is not reliably available along the rim. Afternoon cloud build-ups are common on La Palma's eastern slopes and can reduce visibility rapidly. The trail is largely linear and hikers completing the full traverse should arrange vehicle collection at the far end.