GORGEOUS 6.7 acre (not in ALR!) mountaintop estate with spectacular views bordering famous Sumas Mountain Regional Park for mountain biking, hiking, fishing and swimming in beautiful Chadsey Lake. Enter your private, gated driveway leading past your koi pond to your custom mountaintop home with 3 fireplaces, vaulted ceilings, skylights, massive living room and dining room with spectacular mountain and valley views. 2 master suites with walk-in closets and multi-piece baths. New lee stainless steel appliances in your kitchen. 1389 SF lower floor has $1,400+ potential income from a suite. Elevator ready. Tons of storage. Dry hydrant. Efficient hydronic heating. Cleared property for a garage, barn or shop. Schools nearby for children of all ages. Best location on the mountain.