turrialba volcano, costa rica

active ash blue camping canyon cliff climb cloud clouds cloudy crater crossing earthquake edge eruption gorge height highlands hike hiker hiking irazu landscape lava ledge mountain mountaineering national nature outdoor outdoors park pass path pathway peak ridge rocks route scenery scenic season seismic sky spring sulfur summer sunny tourism tourist track trail tramping travel traveling traverse trek trekker trekking trip turrialba vacation valley view volcan volcanic volcano walk walks wilderness