State park ranger Danita Rodriguez tries out the Google Trekker backpack during a news conference Tuesday Mt. Tamalpais State Park in Marin County. The state Department of Parks and Recreation has teamed with Google to map hiking trails with the 15-lens camera. The 360-degree views are available on Google Street View. (Dave Getzschman / For The Times)
Lisa Mangat, left, acting director of the state parks system, listens to Google Maps program manager Deanna Yick explain the features of the Google Trekker backpack Tuesday at Mt. Tamalpais State Park. So far, Google has used it to map 14 state parks. (Dave Getzschman / For The Times)
The Google Trekker was first used to map the Grand Canyon in October 2012. (Dave Getzschman / For The Times)
Richard Stapler of the California Natural Resources Agency tries out the Google Trekker backpack at Mt. Tamalpais State Park. (Dave Getzschman / For The Times)
