First time on market! Bordered by 90+ contiguous acres of Concord Conservation & National Park land sits this 10 rm custom Colonial. Meticulously designed by a renown architect, it showcases an extraordinary deisgn aesthetic that takes full advantage of its southern exposure & natural surroundings. Classic lines, consistency of scale & a thoughtful flrpln exist in perfect harmony. The back of the house is wrapped in glass windows & doors, framing jaw-dropping views of open land, exciting wildlife activity & spectacular sunsets. Both the fp'd FR & LR are light-filled & access a private 31' bluestone patio. A pretty DR & Kit w marble counters, bksplash & island are adjacent to a bk hall w mudrm, storage & a screened porch. Upstairs are 4 generous BRs, including MBR w marble bath, an ensuite w new bath. A separate staircase leads to an ideal home office & fantastic bonus rm w vaulted, beamed ceiling. This special home & its unrivaled setting is a unique opportunity seldom made available.