2021 Keystone RV Springdale. For the past 20 years, Keystone Springdale has been building quality RVs for family adventures big and small. From single-axle minis to a wide selection of travel travel trailer floorplans to spacious fifth wheel camping, the 2021 Springdale models introduce new, unexpected features designed to make it more enjoyable than ever to get out for the weekend. Fresh new interior design, loads of windows and natural light, power stabilizer jacks, WiFi prep, and family-sized fresh water capacity are just a handful of delightful innovations owners will find in their new Springdale.