LocalHikes - Mill B North Fork Overlooks: "Trailhead: The Mill B North Fork Trailhead is 4.4 miles up Big Cottonwood Canyon just north of the Mill B South Fork Picnic Ground.
Getting to Big Cottonwood Canyon:
Take I-215 South (freeway will become I-215 East) until you reach the 6200 South exit. Turn right onto Wasatch Boulevard, then turn left at Big Cottonwood Canyon. The intersection is clearly signed. You will see a 7-11 store to your right."