San Francisco is 7 x 7 miles. Ever thought of walking the entire perimeter? Walk San Francisco’s brand-new walk in 2020 is Circle the City: an incredible and fascinating journey that will circumnavigate the entire city over the course of six separate walks. Our WalkLab volunteers have once again put together an incomparable route with Circle the City. We will explore lesser known ways around the city’s edge and pass through areas unfamiliar to tourists and even most locals, from…