teide national park, tenerife, canary islands - tourist informational sign depicting the montana blanca hiking trail of the teide

3718 altitude ascent beautiful blanca canary colorful day daytime depicting desert dry education explanation formation geological geology high hiking hill info information informational island islands landscape lava magma montana mountain national nature nobody orange outdoors park peak point rock saturated sign soil spain tall tallest teide tenerife texture tour tourism tourist trail travel trek trekking volcanic volcano walk