bayareamapping is a collection of commonly used vector and raster data germane to the San Franciso Bay Area.
You can install the released version of bayareamapping from GitHub:
remotes::install_github("ir-sfsu/bayareamapping")
library(bayareamapping)
library(mapview)
mapview(cities)
mapview(counties)
mapview(highways)
mapview(streams)
mapview(water)
mapview(watersheds)
library(raster)
dem <- system.file("extdata/tif/dem90m.tif", package = "bayareamapping")
plot(raster(dem))