Usually done as part of the Zippity Loop.
From the Frontside
trail high up the hill, head south along a pleasant ridge for about a half mile until the BIG rollers start to appear. You'll climb up short hills and down BIG and STEEP hills over and over. The descents are smooth and have clean runouts at the bottom, so take it easy on the brakes, sit way back, don't think too much, and you'll be fine.
Eventually the rolling ridge and hills come to an end and you're back on the same lollipop stick near the start.