Ravine Lot in Markham – Rarely Approved Rooftop Terrace on Your Dream Home. Rarely approved custom build detached house with rooftop terrace Steps to Rouge Valley & Milne Dam parks1.7 km to GO Station, fast highway access 66 x 435 ft deep lot backing onto the Rouge River Close to CF Markville, Markham Village, and top school Purchase the land and manage your own build, or secure a fully custom-built home with only 5% down.