In this Back to the Map, Wallace, a geographic information system (GIS) specialist at OC Parks, explains how he balanced map design and amenity details to orient and inform visitors to the parks.

With all that natural beauty, it’s no wonder that California has nine national parks—more than any other state—and around 280 state park units. Its national parks often steal the spotlight ...

California State Parks says that golden mussels “pose a ... that manages the water body they plan to visit. See more in the map below.