Launched in 1997 by David Provost and a team of experienced underground professionals, Bacchus Caves designs and excavates unique caves for private and commercial clients. From an intimate, subterranean getaway for a photographer and his wife, to a 30,000-square-foot temperature controlled wine storage facility for a Sonoma winery, Bacchus Caves has established a premium reputation for creating a wide range of singular caves.


A veteran of the mining industry for over two decades, David Provost is known for his expertise, energy, straight-shooting attitude and uncompromising commitment to doing a job well. Working with him is a team that has earned a reputation for its innovative excavation methods, exceptional workmanship and onsite professionalism.