is short for the North Edinburgh Path Network.
This is a fabulous walking and cycling resource mostly on former railway lines.
It’s main sweep is from Russel Road (with low traffic link to Haymarket Station), via the Red Bridge over Ferry Road, to Newhaven (with a connection to Ocean Terminal).
There are off-road links to Davidson’s Mains, Granton, Trinity Crescent, Leith (near The Shore), Canonmills and The New Town via Rodney Street Tunnel.
Info and map from 2002