The River Course at Keystone Ranch Golf Course sits at approximately 9,300 feet elevation in the Snake River Valley near Keystone, Colorado. Designed by Robert Trent Jones, Jr. and opened in 1980, the course occupies a high-altitude mountain setting with the Snake River winding through several holes. The layout takes advantage of the natural valley terrain, incorporating the river, native grasses, and stands of pine and aspen into the design. Views of the surrounding peaks of the Tenmile Range provide a dramatic backdrop throughout the round. Jones routed the course to work with the elevation changes and the river's path, creating a mix of holes that play along the water and others that move through more open meadowland. The mountain environment means the ball travels farther in the thin air, which affects club selection and strategy. Several holes require carries over the Snake River or its tributaries, and the natural landscape features prominently in the playing corridors. The course typically operates seasonally due to the high elevation and Colorado mountain climate. Keystone Ranch is part of the Keystone Resort, a ski destination that offers golf during the summer months. The course serves resort guests and daily-fee players, providing a mountain golf experience that contrasts with the region's winter activities. The setting emphasizes the natural Rocky Mountain environment rather than heavily manufactured features, with the river and surrounding terrain defining much of the character and challenge.