Oneota Golf & Country Club is an 18-hole semi-private golf course in Decorah, Iowa, built in 1921 and designed by William Langford. It sits in the $$ (moderate) price range for golf in Iowa. The season runs Apr 1 to Nov 15. Tee times can be booked 7 days in advance. Guests are welcome.
Details like fees and seasons change, so call the course before you head out.