The only source of illumination in the cave is a pair of oil lanterns carried by the guides. (ezinearticles.com)
In the evenings, the lodge and the cabins are a glow with oil lanterns and candles but Hotel La Carolina Lodge does provide limited lighting and electricity in the main lodge and houses if guests prefer. (travelcostarica.com)
At night, oil lanterns illuminate the walkways to create subtle light and ambience. (travelground.com)