As part of a larger effort to manage rare, forest-associated species on United States Forest Service [USFS] lands, we conducted surveys to examine the terrestrial amphibian fauna in the region north of Shasta Lake in Shasta County, California. Our goal was to assess species diversity of terrestrial amphibians in this area and attempt to identify new localities of the Shasta salamander (Hydromantes shastae). We chose our survey area based on the distribution of USFS lands, the known range of H. shastae, and past survey efforts (Fig. 1). We selected 40 Public Land Survey Sections from USGS 7.5' topographic maps for sampling. Sections within the study area were selected for survey based on the presence of a road or trail that allowed sufficient access for travel to and from the site and for sampling to occur in a single day. In each selected sectionr the largest stream crossing the primary access road or trail was chosen as the initiation point for surveys. Two surveyors searched 5-m wide meandering belts roughly parallel to the stream, 1 that began approximately 5 m and the other approximately 50 m from the stream edge. At the conclusion of 2 h search time or 0.8 km stream length the crew crossed the stream and repeated the procedure working in the opposite direction. An additional 1 person-hour opportunistic search (30 min/surveyor) was conducted in areas adjacent to the transects that the surveyors deemed most likely to harbor terrestrial salamanders. Searches were conducted by turning cover objects such as rocks and down wood. All surveyors had previous experience surveying for terrestrial amphibians. Surveys were conducted from January to March 2002, when air temperatures were between 1 and 19°C and substrates beneath cover objects were moist. Because a main target of our surveys was H. shastae, a known population was visited weekly as a reference site. All H. shasfae captured at newly discovered sites were deposited in the Museum of Vertebrate Zoology, University of California at Berkeley, for use in assays of genetic diversity. All H. shastae captured at the reference site were released at the point of capture. All other captured reptiles and amphibians were identified to species, measured, and released. A map of historic H. shastae sites was compiled from museum collection records (American Museum of Natural History, California Academy of Sciences, Carnegie Museum of Natural History, Field Museum of Natural History, Humboldt State University, Los Angeles County Museum, Louisiana State University Museum of Natural Sciences, Milwaukee Public Museum, Texas Cooperative Wildlife Collection, University of California Berkeley Museum of Vertebrate Zoology, University of Texas Arlington, University of Michigan Museum of Zoology), observational reports from the ShastaTrinity National Forest, and unpublished observations (P Lewendal, Environmental Planner, State of California, Eureka, CA; L Lindstrand III, Fisheries/Wildlife Biologist, North State Resources, Inc., Redding, CA). We combined records that appeared to be from the same locality. If the precision of the observation was not sufficient to differentiate the location of 2 sites, they were considered 1 site. The known site information contains localities ranging from the recent detection of a single individual