hiker cooling off in a winter rainpool in the makhtesh ramon crater in israel

after bed canyon cliffs cooling copy crater desert district enjoying flooded formation geological geology geomorphology hiking horseshoe inaccessible isolated isolation israel limestone makhtesh marble mitzpe murky nahal national nature negev nikarot oasis off one park person playing pool rainstorm rainwater ramon reserve rim sand seasonal single south southern space splashing stream touring trail travel wadi water waterhole winter