This is often the most popular way to get from the top of Flagstaff Mountain to the bottom of Northside Express.
Descend the Northside Express lift line on gentle, wide, blue terrain.
The terrain begins to steep and bend to the right at a point where challenging moguls along the lift line can be accesses.
Continue right through a narrower and steeper pitch.
From here Lost Boulder again becomes moderate, then easier at it approaches Northside Express.