Starting up on the northeast (Portola neighborhood) side of McLaren Park: 1 thru17
Down to Lake McNab on a favorite switchbacky trail: 18 thru 21
Lake McNab: 22 thru 34
North side of the park, east to west: 35 thru 45
The Water Tower above and down Ina Court's 56 steps — only to climb back into the park again, and out to the Brazil trailhead for the #52 bus: 46 thru 55