Onwentsia Club

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Onwentsia Club
Club information
Coordinates 42°14′26″N 87°50′36″W / 42.240498°N 87.843315°W / 42.240498; -87.843315Coordinates: 42°14′26″N 87°50′36″W / 42.240498°N 87.843315°W / 42.240498; -87.843315
Location Lake Forest, Illinois
United States
Established 1895
Type Private
Total holes 18
Tournaments hosted 1906 U.S. Open
Designed by Charles B. Macdonald
Herbert J. Tweedie
redesign by Tom Doak
Par 71
Length 6,645 yd (6,076 m)
Course rating 71.9
Slope rating 127

Onwentsia Club is an 18-hole golf course located in Lake Forest, Illinois, and lies in Lake County.

Course history[edit]

The course features 6,645 yards of golf from the longest tees for a par of 71. The course has a rating is 71.9 and it has a slope rating of 127 on Chicago (bent) grass. Charles B. Macdonald designed the first 9 holes in 1895. The second 9 holes were designed in 1898 by Herbert J. Tweedie, James Foulis and Robert Foulis. [1] The course was subsequently redesigned by Tom Doak.

1906 U.S. Open[edit]

Onwentsia Club hosted the 1906 U.S. Open won by Alex Smith.[2]

Tom Doak redesign[edit]

The club has panoramic views of the property at almost all points, and the Doak redesign keeps the integrity of some holes intact. The fescue and multi-tiered putting surfaces compensate for length on this gem. The name "Onwentsia" may have been inspired by the Illini name for the tuliptree, which grows in well-watered Illinois ecosystems.


  1. ^ "Chicago Aerials: H.J.Tweedie From Hoylake to Chicago". golfclubatlas.com. Retrieved 20 May 2015. 
  2. ^ Brenner, Morgan G. (2009). The Majors of Golf: Complete Results of the Open, the U.S. Open, the PGA Championship and the Masters, 1860-2008. 1. McFarland. ISBN 978-0-7864-3360-5.