204 Soar Over Temecula With thick clusters of grapes dangling on rows of vines that stretch to the surrounding hills and mountains, the Temecula Valley is an absolutely gorgeous wine country. But beautiful as it is from the ground, to really see Southern California's largest wine region nothing beats the unforgettable perspective you'll get from a colorful hot-air balloon. Several Temecula ballooning companies take to the skies, gliding over rolling vineyards, villas, and valley wineries, where more than 50 different varietals grow.