Location. This Riverside hotel with a long history in Downtown Riverside, is within walking distance of the Riverside Convention Center. The University of California-Riverside is a 10-minute drive away. Hotel Features. The historic Mission Inn Hotel & Spa has a fitness facility, an outdoor pool, a spa tub, and a steam room. The onsite spa has 12 massage and treatment rooms offering facial and body treatments. WiFi is complimentary. The Mission Inn Hotel & Spa has 4 restaurants on site. Room service is available during limited hours, and valet parking is offered (surcharge). This is a smoke-free property. Guestrooms. Amenities featured in guestrooms include air conditioning, coffee/tea makers, and minibars. Guestrooms have digital flat-screen TVs with premium channels and pay movies. Business-friendly amenities include multi-line phones, wireless Internet access (surcharge), and desks. Bathrooms feature scales and bathrobes.