Began at the oft-taken Lover's Lane/Presidio Blvd. trailhead into the park. First pic: Trail up to Lover's Lane. Second: Lover's Lane. Third: Part of Andy Goldsworthy's Wood Line near Lover's Lane.
Headed west just below the Mountain Lake Trail (fourth pic), past the playing field, to the upper trailhead for the new connector descending to El Polin Spring (fifth pic). Sixth pic: The Presidio is to the left of the low wall. Taken near Julius Kahn Park.
But from El Polin, instead of heading up the 69 newer steps (seventh pic) to the Ecology Trail, continued north on MacArthur past the residences and community garden to Fernandez, Barnard, and up 38 steps to the Main Post and Inn at the Presidio: eighth pic.
Used to walk through the Presidio's Main Post but haven't for a while as the old Officers' Club (San Francisco's birthplace) is still being renovated. Liked browsing the little shop and hope there'll be another store/museum here when it reopens.
Continued west to the end of the Main Post where Moraga meets Infantry Terrace and a stairway ascends to the Post Chapel (56 or so steps, ninth and tenth pix). To one side of the chapel is a longtime favorite eucalyptus-leaf-blanketed trail. This unmarked trail winds uphill through the forest to the Cemetery Overlook: this one will warm you up.
The Cemetery Overlook trail (about 98 steps, last pic) descends to the Park Trail on the west side of the overlook.
South of the overlook the Bay Area Ridge Trail winds past Andy Goldsworthy's Spire. Inspiration Point Overlook is across Arguello, and from here it's a short distance to the Arguello Gate park exit.