Lengthy walk (4)
I believe the answer is:
trek
(Other definitions for trek that I've seen before include "Long and difficult journey" , "Slog" , "Long hard journey on foot" , "Great journey" , "Long difficult walk" .)
I believe the answer is:
trek
(Other definitions for trek that I've seen before include "Long and difficult journey" , "Slog" , "Long hard journey on foot" , "Great journey" , "Long difficult walk" .)