The lively little fishing settlement far below on the water's edge is an easy walk down, but very tiring coming back up on a hot day.
It is a hard walk to the settlement below but the walk back is easy.  
mnli hypothesis: It is a hard walk to the settlement below but the walk back is easy.   premise: The lively little fishing settlement far below on the water's edge is an easy walk down, but very tiring coming back up on a hot day.