Access Library OS X Lion – Video
Click on the desktop, then use the GO menu then, hold the “option” key on the keyboard.
Library folder
Looking for the library folder in OS X 10.7 Lion
If you are trying to access the Library folder in Apple’s new Mac OS X 10.7 Lion it’s been hidden. It’s now located in the go menu the trick is to hold the “alt/option” key while in the “Go” menu and it will appear.