The 50 KM-long district of St. Joseph, along the Western bank of the Rhone extends from the southern part of Condrieu through and around the town of Tournon (across the Rhone from Hermitage) to the northern boundary of Cornas. It reaches nearly 1000 hectares (2500 acres), planted about 90% to Syrah and 10% to Marsanne and Roussanne. The area around Tournon and south to Mauves is the true heart of the appellation. The best vineyards here are on hillsides, with complex soils primarily consisting of decomposed granite, yielding spicy and structured wines. Since the 1990s, Guigal has made a large bet on this up-and-coming appellation, farming 45 hectares of the best vineyards and producing some of the finest cuvées in the region.