It was built in Seattle, Washington in 1973 and re-built in 2003.
The vessel has capacity for 2,000 passengers and 188 vehicles.
Walla Walla measures 440 feet in length with a beam of 87 feet and a draft of 18 feet.
It is powered by four diesel-electric engines that can generate a total of 11,500 horsepower and reach a service speed of 18 knots.
Restrooms are available on the auto deck and passenger deck. The restroom on the passenger deck is ADA compliant. The restroom on the auto deck is not ADA compliant. Elevator access is available from the auto deck to the passenger deck, if you need to use the accessible restroom.
For those hard of hearing, Walla Walla is equipped with a visual paging announcement system that displays important announcements on monitors throughout the boat.
Other amenities include a galley and vending and newspaper machines on the main passenger deck.
MV Walla Walla is named for the Walla Walla tribe, a Southeaster Washington tribe, and means “place of many waters”.