Livermore Valley AVA unique east-west orientation, unlike many other winegrowing valleys. Due to a reliable onshore afternoon/evening breeze off of the San Francisco Bay a wide fluctuation in temperature between sites and a large diurnal temperature swing occur. Livermore Valley is considered a Winkler Region III grape growing zone with temperatures comparable to northern Napa Valley appellations such as St. Helena or Calistoga. The relatively obscure Petite Sirah grape produced Livermore's best historically known red wine, although the climate also makes for interesting dessert wines as well as excellent Cabernet Sauvignon, Merlot and Rhone varieties. The original plantings of Sémillon and Sauvignon blanc
Petite Rivière landing near the mouth during the early 17th century. The river lends its name to the small community of Petite Riviere Bridge. Petite Rivière Petite Rivière is a river in Nova Scotia, Canada entirely within Lunenburg County. It is fed by numerous lakes, and a portion of the watershed is the drinking water supply for the town of Bridgewater. Three of the lakes on Petite Rivière (Hebb, Millipisigate, and Minamkeak) are the only known habitat of the Atlantic Whitefish. Through damming of the lakes, some of the water that once fed the Medway River now flows through the Petite Rivière