Robert Ferguson Observatory
Visit Robert Ferguson Observatory
Tours & day trips
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Napa Valley Wine Trolley: "Up Valley" Castle Tour
History & culture
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Napa, Sonoma and Exclusive Battery Spencer Small Group Wine Tasting Tour
Adventure & outdoor
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Napa Valley Redwood Hike
Popular places to visit
Ledson Winery and Vineyards
Marvel at the spiraling staircases, coffered ceilings and landscaped gardens and taste the great variety of wines at the Castle.
Quarryhill Botanical Garden
Explore the great outdoors at Quarryhill Botanical Garden, a lovely green space in Glen Ellen. Attend a sporting event while in this family-friendly area or simply enjoy the top-notch restaurants.
Oakmont Golf Club
Enjoy a round of golf in Santa Rosa at Oakmont Golf Club. Attend a sporting event or simply enjoy the wineries while you're in the area.
HALL St. Helena Winery
You can enjoy a tasting or tour at HALL St. Helena Winery during your travels to St. Helena. Make time for the spas and local tours in this family-friendly area.
Flora Springs Winery
You can enjoy a tasting or tour at Flora Springs Winery during your travels to St. Helena. Make time for the spas and local tours in this romantic area.
V. Sattui Winery
Savor the sumptuous creations of this family-owned winery, which has produced award-winning vintages at this stunning Napa Valley location for generations.
Top Hotel Deals
Check availability on hotels close to Robert Ferguson Observatory
Kenwood Inn and Spa
El Bonita Motel
Harvest Inn
Rancho Caymus Inn
Glen Ellen Escape 5BR Retreat w/ Pool, Hot Tub, Hammocks & Vineyard Views
Vineyard Country Inn
