Hamilton, Mount,peak 4,372 ft (1,333 m) high, W Calif., in the Coast Ranges, E of San Jose. It is the site of Lick ObservatoryLick Observatory,
astronomical observatory located on Mt. Hamilton, Calif., near San Jose; the first mountaintop observatory in the world, it was founded through gifts made by James Lick in 1874–75 and came under the direction of the Univ.
..... Click the link for more information. (built 1876–88), directed by the Univ. of California Observatories.