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Idlewild Country Club: Course Intelligence
Idlewild Country Club has operated on a piece of Flossmoor, Illinois Chicago south-suburban land since 1908. The course is part of the broader Flossmoor-area country-club cluster that includes Flossmoor Country Club (Tweedie 1899, 1920 PGA host) and various other Chicago south-suburban private courses. The original routing has been redesigned multiple times since the 1908 opening, with continuing agronomic-and-architectural updates through subsequent decades.
The course plays around 6,800 yards par 71 from the back markers, with bent fairways and a slope in the upper 130s. The yardage is short by modern championship standards, but the routing's age and the natural Chicago south-suburban terrain give the course defense that modern equipment doesn't overcome through length alone. The fairways play firm given the Illinois prairie subsoil. The mature deciduous canopy through the property has grown to championship-narrowing dimensions over the club's century-plus history.
Idlewild Country Club is private and access is members and accompanied guests only. The membership is regional Chicago south-suburban business and professional families with multi-generation ties through the club's early-1900s founding. The hospitality model is traditional country club, and the club has stayed largely outside the destination-private trend.
Chicago climate gives Idlewild a playing season of April through October. The course closes through Chicago winter and reopens when the soil thaws. The mature canopy gives the routing its parkland character.
Related Reading
Before you tee off at Idlewild Country Club
How to Read a G-Score: The 0–100 Golf Playability Number, Decoded
A G-Score on this site is a single 0–100 number that tells you whether today is worth tee-up. Here is exactly what each band means, what drives the calculation, and how to use it to plan a round you will actually score on.
Read Story
The May 2026 G-Score Heatmap: Where American Golf Peaks This Spring
May is the most underrated month on the American golf calendar. Five regions hit their annual peak this spring, three turn quietly hostile, and the data tells a clearer story than the brochures. Here is where to play, where to avoid, and how to time your booking window.
Read StoryMinSu Kim
Founder & Golf Data Analyst
MinSu is a data analyst and golfer with 10+ years on the course. He built Golf Weather Score to answer one question: is today a good day to play? He combines weather data, course intelligence, and the proprietary G-Score algorithm to help golfers make smarter decisions.
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