Guide to 45 varied walks on Tenerife: 40 day walks - including ascents of El Teide, Spain and #039;s highest mountain - and the 5 Tenerife stages of the long-distance GR131. Routes range from 3.5km to 29.5km and showcase the island and #039;s diverse landscapes, from coast to mountains, from lava fields to laurisilva and #039;cloud forests and #039;.