Palazzo Riario offers air-conditioned rooms in Viterbo. Complimentary Wifi is featured throughout the property and private parking is available on site. The accommodation provides a 24-hour front desk and room service for guests. The bed and breakfast offers a flat-screen TV and a private bathroom with slippers, a hair dryer, and bidet. At the bed and breakfast, all units are allergy-free. A mini-market is available at the bed and breakfast. Vallelunga is 28 miles from Palazzo Riario, while Duomo Orvieto is 30 miles away. Fiumicino Airport is 68 miles from the property.