Crossword Genius

Get lost on the moors? (4,1,4)

Ross

I believe the answer is:

I'm a little stuck... Click here to teach me more about this clue!

'get lost' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for take a hike that I've seen before include "Go walking", "get lost".)

I've seen this clue in The Independent.