View Details
New 2025 Forest River RiverStone 421FK – King of Luxury Fifth Wheels with Spacious Elegance and Premium Comfort
The New 2025 Forest River RV RiverStone 421FK represents the pinnacle of luxury in fifth wheel design. Built for full-time RVers, extended road trips, and travelers who refuse to compromise on comfort or quality, the RiverStone 421FK delivers massive living space, residential-style amenities, and premium craftsmanship. Whether you’re exploring national parks, seasonally traveling, or living life on the road, this fifth wheel offers exceptional comfort, functionality, and sophistication.
Exquisite, Open Concept Living Space
Step inside and immediately notice the impressive open floorplan — a hallmark of the RiverStone series. The expansive rear living area is designed to maximize space and sightlines with panoramic windows, plush seating, and a premium entertainment center. This welcoming environment is perfect for evening gatherings, family movie nights, or simply relaxing after a day of adventure.
Chef-Inspired Kitchen for Everyday Meal Magic
The gourmet kitchen in the 421FK elevates campsite cooking to a new level. Featuring solid-surface countertops, high-end stainless appliances, a residential refrigerator, a gas cooktop with oven, and deep sink, this kitchen is ready for everything from casual breakfasts to full holiday feasts. With abundant cabinetry and a well-positioned island, you’ll enjoy exceptional prep space and storage wherever your travels take you.
Spacious Front Master Retreat
The private master bedroom offers a true residential feel with a king bed, generous wardrobe space, and direct access to the full bathroom. Soft, ambient lighting, plush flooring, and thoughtful design create a peaceful retreat that feels as comfortable as home. Large windows provide scenic views and natural light, bringing the outdoors in.
Luxury Full Bathroom with Residential Features
The full bathroom includes a large, glass-enclosed shower with premium fixtures, a modern vanity, and plenty of storage space. This spa-like environment makes getting ready each day a pleasure and adds convenience and comfort that rivals many homes.
Superior Construction for All-Season Comfort
The RiverStone 421FK is built with Forest River’s commitment to strength, durability, and innovation. With high-quality materials, fortified insulation, and smart engineering, this fifth wheel is ready for year-round travel and varying climates. Flexible storage options — both interior and exterior — make it easy to bring gear, essentials, and personal touches on every adventure.
Top Reasons to Buy the 2025 Forest River RV RiverStone 421FK
Expansive Rear Living AreaLarge panoramic windows, comfortable seating, and a premium entertainment center make this the perfect space for living and entertaining.
Gourmet Kitchen with Residential FeelSolid-surface counters, full-size appliances, and an island bring practicality and luxury to every meal.
Private King Master SuiteAmple space, generous storage, and a peaceful environment ensure restful nights on the road.
High-End Full BathroomGlass-enclosed shower, stylish vanity, and smart storage elevate everyday routines.
All-Season Comfort and DurabilitySuperior insulation and construction make this fifth wheel capable of handling varied weather and climates.
Massive Storage SolutionsInterior and exterior storage keep gear, memories, and essentials organized and accessible.
Perfect for Full-Time Living or Seasonal TravelIdeal for travelers who want both residential comfort and premium fifth wheel quality.
Why Buy From Campers Inn RV
Decades of RV Expertise and TrustCampers Inn RV has been guiding customers to the perfect RV match since 1966, with seasoned professionals who understand your needs.
Thorough Pre-Delivery InspectionsEvery new RV undergoes meticulous inspection and preparation so you can travel with confidence from day one.
Knowledgeable and Supportive Sales TeamThe team at Campers Inn RV listens to your goals, explains all features, and helps you find the perfect configuration for your lifestyle.
Transparent, Customer-First Buying ExperienceClear pricing, open communication, and a no-pressure environment make buying stress-free and enjoyable.
Nationwide Service and Support NetworkWith certified service centers and trained technicians around the country, you’re supported long after your purchase.
Comprehensive Walk-Through at DeliveryBefore you hit the road, Campers Inn RV provides a complete orientation, so you understand every system and feature of your RiverStone.