Directions to Mission Dolores Neighborhood Tour starting point courtesy of Google Maps

Type your starting location (e.g. "513 Parnassus Ave, San Francisco") in the field labeled and click "Get Directions"
Alternatively, right-click (control-click for Mac) on the map to select your starting location
You can select directions ("By car"), ("By public transit") or ("By walking")
Once the public transit route appears on the page, you can select departure/arrival times by clicking "Show options"
For further instructions, you can see a short video by clicking here.