Northern California's gorgeous Napa Valley region has tons of wino-centric activities to offer throughout its lush, rolling hills and endless vineyards. But there's also plenty to do here even if you're not a wine connoisseur, from biking, to hiking, to hitting the Napa River. Take a look at our favorite outdoor activities in stunning Napa Valley. Napa Valley's main draw, of course, is its vineyards. Plenty of Wine Country stays, including the Calistoga Ranch, the Harvest Inn, and the Meritage Resort, have their own on-site vineyards.