First part of Marin to Cyffty Tube Hang a right to Llyn Geirionydd ,over to Llyn Crefnant (feel sick),down to Trefriw ,over Cefn Cyfarwydd (throw up), along Llyn Cowlyd to Capel Curig ,right at Pont Cyfyng to Dolwyddelan (blow up),left onto Sarn Helen,across miners bridge,hook right back onto the Marin and collapse at the car 5 1/2 hours later.Well thats what I did today anyway.Hav’nt worked out how far yet,was making it up as I went along.Can’t feel my legs anymore.