Height has little to do with these mountains I live 45 mins from this mountain but height has little to do with this range(I think the highest in the Selkirks is under 12,000ft. The standard route up Sir Donald is III 5.4. Here is the page.
"After the first glass, you see things as you wish they were. After the second, you see things as they are not. Finally, you see things as they really are, which is the most horrible thing in the world."
--Oscar Wilde on Absinthe