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Department of Parks and Recreation Countywide Parks and Open Space

Our department maintains countywide park and open space data. It contains park and open space data for the entire County of Los Angeles. Much of this data was a result of our Park Needs Assessment, but there have been refinements since this projects completion. This layer is the most complete and comprehensive park and open […]

Historic Maps of Los Angeles City (1849, 1908)

Two georeferenced images of historic maps of Los Angeles were downloaded from Earthworks, as posted by SoCalGIS. Since they were georeferenced I thought they might be of interest.

Many thanks to Harvard University Library for scanning and georeferencing these maps.

Click below to download

Map of Los Angeles (1849) […]

Watershed Boundaries

This dataset contains watershed boundaries for watersheds covering Los Angeles County.

This dataset was downloaded, extracted and prepared from the National Hydrography Dataset. The NHD is a comprehensive effort by the US Geological Survey to manage and maintain a comprehensive, high quality, nationwide dataset for GIS mapping and analysis of water features and […]

Hydrologic Points

This dataset contains hydologic points (gaging stations, gates, rock features, springs, water intakes, wells, waterfalls, reservoir points) in LA County.

This dataset was downloaded, extracted and prepared from the National Hydrography Dataset. The NHD is a comprehensive effort by the US Geological Survey to manage and maintain a comprehensive, high quality, nationwide dataset […]

Lakes & Reservoirs

This dataset contains lakes & reservoirs in LA County.

This dataset was downloaded, extracted and prepared from the National Hydrography Dataset. The NHD is a comprehensive effort by the US Geological Survey to manage and maintain a comprehensive, high quality, nationwide dataset for GIS mapping and analysis of water features and conveyance. While […]