Inside the Hot Spring at Fuencaliente UPDATED

Well that was fun. Even though I was in (I think) the fourth group, the tour into the hot spring (Fuente Santa) started bang on time. First there was an audio visual presentation, then we put on the hard hats and went down the tunnel. The guide pointed out the various places along the route where we were going through either solid basalt lava, or porous volcanic rubble. Along the…

July 17, 2014
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Todoque Cave

I come from Yorkshire and I’m used to limestone caves, so I was surprised when I found that the volcanic island of La Palma has lots of caves too. Volcanic caves are formed when a river of lava solidifies on the top and sides, but the middle (insulated by the solid-but-still-hot lava around it) stays runny. Sometimes big bubbles of gas force their way to the surface, leaving a hole…

July 12, 2013
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