Site size: 3.5 acres Project size: 2,400 square feet Program: Bud and Colleen Konheim asked Specht Harpman Architects to design a light-filled, yet private modern cottage on a wooded site adjacent to the Saugatuck River in southwestern Connecticut. Location: The house is in a river valley, a steep 80-foot drop from the main road along the ridgeline. Solution: The architects immersed the concrete and glass house in the landscape so that a series of green rooftop terraces gently step down from the street to the river below. The house, T-shaped in plan, consists of two perpendicular rectilinear volumes: The first,