Golf golf course consists of 18 holes, but nine-hole courses are common and can be played twice through for a full round of 18 holes. Early Scottish golf courses were primarily laid out on links land, soil-covered sand dunes directly inland from beaches. This gave rise to the term "golf links", particularly applied to seaside courses and those built on naturally sandy soil inland. The first 18-hole golf course in the United States was on a sheep farm in Downers Grove, Illinois, in 1892. The course is still there today. Every round of golf is based on playing a number of
Golf course instability of the dunes closest to the water and the high cost of hand-made golf balls precluding anything that could result in their irrecoverable loss. The land is naturally treeless and this combined with their coastal location makes wind and weather an important factor in links golf. Traditional links courses are often arranged with holes in pairs along the coastline; players would play "out" from the town through a series of holes to the furthest point of the course, and then would return "in" along the second set of holes. The holes may share fairways and sometimes greens (such as