This exceptional 3.1-acre residential building lot offers a rare opportunity to create your private dream home in the highly desirable Hidden Valley Forest subdivision. This is the last remaining lot in this low-density neighborhood characterized by custom executive homes on expansive wooded estates. This building site is at the highest point in the subdivision and offers a very gently sloped building site. No really, the building site is nearly perfectly flat.....it's very rare in this area. Electricity and Spire Gas is in the subdivision. The gently rolling terrain is beautifully wooded with mature hardwoods and evergreens, providing abundant privacy, natural beauty, and a serene woodland setting. The lot features natural drainage and topography well-suited for a variety of home designs, including walk-out lower levels that can take full advantage of the lot shape. Residents enjoy easy access to the renowned Hidden Valley Ski Resort, just minutes away, offering year-round recreation including winter skiing, snowboarding, and tubing, plus summer activities. The location provides convenient proximity to Six Flags St. Louis, Purina Farms, historic downtown Eureka with its shops and dining, and excellent Rockwood School District schools. Signage on site, park on culdesac and enjoy an easy walk to the building site. Minimum building sizes are 2,000 sf for Ranches, 2,400 sf for 1.5 Story's, and 2,800 sf for 2 Story's.