Lake Geneva Sights

Yerkes Observatory

  • 373 W. Geneva St. Map It
  • Lake Geneva
  • Observatory/Planetarium

Published 10/27/2015

Fodor's Review

Perhaps most famous for its 40-inch refracting telescope—the largest of its kind in the world—Yerkes was founded in 1897 by George Ellery Hale and financed by Charles T. Yerkes. On a tour of the observatory, visitors get a chance to enjoy the nightscape and then gaze up at the celestial bodies through one of the other two modern telescopes on the campus. The surrounding 77 acres of parkland, which narrowly escaped residential development in 2007, were designed by John Olmsted, brother of Central Park landscape designer Frederick Law Olmsted. Wear sensible shoes: The climb to the telescope is up a 39-step spiral staircase.

Sight Information

Address:

373 W. Geneva St., Williams Bay, Lake Geneva, Wisconsin, 53191, United States

Map It

Phone:

262-245-5555

Sight Details:

  • Free public tours (suggested $5 donation); $25 evening viewing
  • Open Sat. 10-1; evening programs 9-10:30.

Published 10/27/2015

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