The unique land, legacy, and lifestyle of Montaine thrives at the front door to the great plains of Colorado to the east and the majestic Rocky Mountains to the west. From atop Mount Montaine–the highest point in Castle Rock–you can see yourself living here, growing here, and loving every moment here. In this 55+ community in Castle Rock, CO, life is meant to be lived. Spend your free days traversing varying topography. Cherish your nights gazing at more stars than you could ever imagine.