A hilltop estate in Kent owned by retired advertising executive Robert Lenz has been listed for $12.5 million.

Peter Klemm of Klemm Real Estate, based in Washington, has the exclusive listing.

The shingle-style and stone hilltop estate is situated on 49.7 acres and features countryside views.

The 7,200-square-foot main residence, designed by a renowned architect, includes six bedrooms, eight fireplaces, a library, a gallery, guest quarters with en suite bathrooms, a full gym with a steam and sauna, a wine cellar and art studio.

The property, which also has an infinity pool, a poolhouse and a guest house, abuts land trust property.

To view the listing, visit www.klemmrealestate.com/properties_details.php?1016.

For more information, call Klemm Real Estate at 860-868-7313.