Coire Leis is the basin at the head of the Allt a'Mhuilinn Glen. about 1 hour from the C.I.C. hut. From the hut follow the right bank of the burn until opposite the lowest rocks of the North East Buttress, traverse up the right hand side of the Corrie beneath the east face. The face is Alpine in character and is often heavily iced.
to reach the Observatory Gully take a direct approach to the First Platform of N.E. buttress from the west. To the right of the slabby rocks of the nose leading to the First Platform is an obvious shallow gully fault.
CLIMBS FROM COIRE LEIS:
Bob-run 400ft Grade II 1hr
I.Clough, D.Pipes & party 10th Feb 1959
Cresta Climb 900ft Grade II/III**2-3 hrs
T.W.Patey, L.S.Lovat & A.G.Nicol 16th Feb 1957
Slalom 900ft Grade II/III**2-3 hrs
D.Pipes, I. Clough & party 6th Jan 1959
Frostbite 900ft GradeIII 2-4 hrs
D.Pipes, I. Clough & party Feb 1958
Route Major 1,000ft GradeIII** 3-5 hrs
H. MacInnes & I.Clough 16th Feb 1969
North East Buttress 1,500ft Grade III/IV***2-5 hrs
CLIMBS FROM OBSERVATORY GULLEY:
Slingsby’s chimney 400ft Grade II 1hr
Full leader racks in summer
Technical ice tools in winter
If you have information about these route's that doesn't pertain to any of the other sections, please add it here.