On the verdant heights of Cologny, one of Geneva's most sought-after districts, Hauts-Crêts seventy-seven unveils a rare collection of three private mansions, designed as exceptional private residences. A confidential living environment, where discretion, elegance and the art of living meet.The architectural project was designed by Ateliers Jean Nouvel. Its design is both contemporary and timeless, characterized by precise volumes, careful lines and a constant dialogue with the surrounding topography and landscape. The architecture emphasizes light, perspective and natural integration with the site, offering a sober, controlled interpretation of private housing.Designed to THPE standards, the villas meet the highest standards of energy performance and comfort. They combine sustainability, efficiency and well-being in a responsible, long-term approach to high-end residential development.Each mansion blends harmoniously into the gentle slope of the land. Volumes are generous, circulation flowing, and living spaces open wide to the outdoors. Private landscaped gardens, light-filled terraces and wide windows naturally extend the interiors out into nature, creating a peaceful, intimate and unspoilt atmosphere.Thierry Lemaire's masterfully restrained interior design combines noble materials, balanced proportions and attention to detail with natural light to create elegant, warm and timeless spaces.In the immediate vicinity of the village of Cologny, the Geneva Golf Club, the shores of the lake and the city center; Hauts-Crêts seventy-seven enjoys a rare and sought-after location offering a subtle balance between nature, serenity and city life.Three private residences. An exclusive project designed for those seeking beauty, privacy and sustainability.