Cognac is a 45 minute drive from Montemboeuf.  There is a very scenic route that you can take through the vines. The étapes du cognac is a well  marked driving route.

Most of the Chateaux are closed during the winter, so it is always worth checking the opening times before you leave. You should also book ahead, because they are popular.  Tours of the houses are a regular thing and most of them do offer in both French and English.  Some that you might like to try are;

Camus – Create your own Cognac blend of Cognac on this tour.  www.camus.fr

Hennessy – This tour includes a boat ride across the river.  www.hennessy.com

Martell – One of the oldest of the Cognac houses, founded in 1715.  www.martell.com

Baron Otard – Tour includes a look at the castle home of French King, Francois I www.otard.com

Remy Martin – Started in 1724 www.remymartin.com

Meukow –  Fantastic tour and they just launched a beautiful new restaurant as well www.meukowcognac.com