San Francisco is an odd city. The worst parts of the town are just blocks away from the most touristy parts. Most tourists have a problem telling the neighborhoods apart, and the seedier areas are not exactly marked on a map. Furthermore, the character of a neighborhood can change from day to night. There are some areas you should avoid in San Francisco.
Here are the five safest and the five most dangerous areas in San Francisco, from a local resident to help you get the best out of your time in the "City by the Bay."