Life is too short for terrible wine, so sample some of the delectable types on offer at Centro do Viño da Ribeira Sacra. Stay a while and learn a bit about winemaking, from picking and pressing to the aging and bottling of the product.
You'll be spoiled for sightseeing choice when in Monforte de Lemos. Centro do Viño da Ribeira Sacra is a great place to begin here, but there are loads of other fine sights to check out. Castelo de Monforte de Lemos, Pazo de Tor, and Torre da Homenaxe do Castelo de Lemos are near the wine-making establishment and will fill in your day nicely.