Rainbow Golf Club sits in Greenville, New York, in the northern Catskill region west of the Hudson River. The course was designed by Walter Birmann, a lesser-known architect active in the early-to-mid twentieth century who worked primarily in the northeastern United States. Birmann's designs typically reflect the straightforward, playable style common to regional courses of that era, emphasizing natural terrain and practical routing over dramatic flourishes. The layout occupies rolling terrain characteristic of the Catskill foothills, where elevation changes and wooded corridors shape the playing experience. Holes likely move through a mix of open meadow and tree-lined fairways, with greens that incorporate the natural contours of the land. Courses from this period in upstate New York often feature modest bunkering and greens of moderate size, designed to challenge local members without overwhelming recreational players. Rainbow Golf Club serves as a community-oriented facility, typical of many clubs established in smaller towns across New York during the mid-twentieth century. These clubs traditionally provide a welcoming environment for families and casual golfers, with a focus on accessibility and local tradition rather than tournament play or national recognition. The course offers a representative example of regional golf architecture shaped by the landscape and community needs of its time and place.