27th avenue runs from Vicante Street of the Parkside district all the way to the Sea Cliff district close to the entrance of the Presidio. There are a few detours on this street, on is the reservoir on Ortega to Quintara, and the other is bigger, Golden Gate Park. Crossing the park is difficult and can’t be don’t except on 25th avenue but it gets confusing to get to the other side. If you do weave around the streets and find your way, you will end up back on 25th avenue, so you can just drive back onto 27th once you’ve gotten out. 27th avenue is a cool street because it runs close to the 2 of the major high schools in San Francisco, running close by to Lincoln High school of the Sunset District and running close by to George Washington High school of the Richmond. This street has a variety of houses because it runs through such different neighborhoods. Most of the houses will be similar to Sunset family homes, but there are apartments and condos scattered here and there. In the Sea Cliff District you will find much larger houses and higher prices to go along with them.