Carlton is a good wine town to visit and has a good sandwich shop (converted filling station), along with fancier restaurants. But the hours for the Tasting Room are quite limited (their main business is as a wine distributor and promoter, the retail shop seems to be run almost as a hobby). Only a handful of wineries are open regular hours, the rest have limited hours so you need to check their web site and plan the tour ahead, if you have your heart set on specific places. But there are so many good ones -- something that wasn't the case even 5 years ago -- that taking pot luck with whatever you find open happens to be worth doing too.