Go to the intersectin of McClellan(553) and Division(554). if you are on McClellan turn onto Division and drive for about a 1/4 mile and park on the right(just before granite point subdivision. Follow the mountain bike trails SE to the base of the rock.
Mountain Project's determination of some of the classic, most popular, highest rated routes for Glenda's Pile:
Drive down count road 553 trowrds Marquette Mountian. Turn left at the additional parking sign. drive up past the "do not enter" sign (only applies for winter use). Drive for 2/3 minutes until you get to a BIG right turn. Turn into pull out. Follow faint trail up hill and to small rock band. Follow cliff down hill.
The bolts in this area are old, rusty, and spinning so if you plan to climb here it might be a good idea to bring your own protection. Also this area is North facing and can stay wet for a very long time after a rainfall.