Spring Mountain District. The Robert Keenan Winery has been dedicated to the production of top quality wines since its establishment in 1977. This small premium winery is located near the top of Spring Mountain where it maintains 50 acres of mountainside vineyards. Keenan is known for producing small lots of intense, concentrated wines full of luscious fruit character. The Robert Keenan family of wines include Chardonnay, Cabernet Sauvignon, Merlot, Cabernet Franc and Zinfandel. Tours and tastings may be arranged by contacting the winery 707-963-9177. Nils Venge, CWW/FLG. Michael C. Keenan, President. Keenan Winery and Vineyards are solar powered and sustainably farmed. www.keenanwinery.com. Alcohol 13.9% by volume. Produced and bottled by Robert Keenan Winery, Spring Mountain Rd., Saint Helena, California.