Milan, the capital of Lombardy, is served by Trenitalia and NTV, both of which are based at Milano Centrale. There are other long-distance companies, such as SNCF as well. Finally, regional transport is operated by Trenord, which runs the entire regional train network.
The main railway station is Milano Centrale. It serves all Italian cities including Turin, Venice, Rome, Naples, and Florence with regular express and fast trains. There are international services to Zurich, Geneva, Munich, Vienna, Marseille by Trenitalia and NTV. Trenord runs regional trains to Lecco, Sondrio, Tirano, Bergamo, Brescia and other cities. Once you reach Milan, regional train lines is the most comfortable way to reach smaller towns to visit wineries in Lombardy.
Milano Porta Garibaldi regional and national trains and some commuter lines. There are trains to the main centres of Lombardy like Como, Bergamo, Lecco, Varese, Pavia, Lodi and to Malpensa airport.
Reach your destination and explore wineries in Lombardy.