Used 2021 Forest River RV Flagstaff Hard Side High Wall Series 21DMHW
21DMHW Floorplan
Specifications
| Sleeps | 3 | Length | 21 ft 2 in |
| Ext Width | 7 ft | Ext Height | 5 ft 8 in |
| Hitch Weight | 353 lbs | Dry Weight | 2700 lbs |
| Cargo Capacity | 653 lbs | Fresh Water Capacity | 20 gals |
| Tire Size | 14" | Furnace BTU | 10000 btu |
| Available Beds | Queen | Refrigerator Type | Three Way |
| Refrigerator Size | 2.5 cu ft | Cooktop Burners | 2 |
| LP Tank Capacity | 20 lbs | Axle Count | 1 |
| Number of LP Tanks | 2 | Shower Type | Wet/Bath Shower |
| Electrical Service | 30 amp | VIN | 4X4CFSW12MD186060 |
Description
USED 2021 Forest River Flagstaff Hard Side High Wall A-Frame 21DMHW – Compact Camping with Big Adventure Potential
Discover the freedom of lightweight camping with the 2021 Forest River Flagstaff Hard Side High Wall 21DMHW. This rugged yet comfortable A-frame camper is perfect for travelers who want the simplicity of a pop-up with the durability, security, and convenience of hard-side construction. Easy to tow, quick to set up, and packed with smart features, this camper is built for spontaneous getaways, scenic campgrounds, and off-the-grid escapes.
Whether you're exploring mountain roads, relaxing lakeside, or heading out for a weekend under the stars, the Flagstaff 21DMHW makes every trip feel effortless and fun.
Highlights and Key Features
- Rear flip-up bed for comfortable nighttime rest
- Front dormer adds additional headroom and interior openness
- Booth dinette for dining, relaxing, or extra sleeping space
- Two-burner glass top cooktop for campsite meals
- Three-way 2.5 cu. ft. refrigerator for food and drinks
- Interior shower and cassette toilet for added convenience
- Outdoor griddle for open-air cooking adventures
- Front storage compartment plus exterior EZ Reach storage trunks
- Compact and lightweight design for easy towing and storage
Adventure-Ready Construction
- Durable white fiberglass exterior built to handle the outdoors
- Fiberglass laminated roof for long-lasting protection
- Diamond plate front shield for added road protection
- Electric brakes for safer towing performance
- Four stabilizer jacks with sand pads for a stable campsite setup
- Large folding entry grab handles for easier access
- Interior floor lights for nighttime visibility and comfort
- Outside shower with Hot Water Package to help keep dirt outdoors
What Makes This RV Stand Out Above the Rest
The Flagstaff Hard Side High Wall 21DMHW combines the convenience of compact camping with the comfort and durability many campers wish they had in a traditional pop-up. Its hard-side construction provides added insulation, security, and weather protection while still offering the lightweight towability and quick setup RVers love. Add in the outdoor griddle, cassette toilet, and versatile storage options, and this A-frame delivers a camping experience that’s both practical and adventure-ready.
Why Buy This RV
This camper is ideal for couples or small families who want to travel light while still enjoying modern conveniences. Easy to tow with many SUVs and midsize vehicles, the 21DMHW opens the door to more campsites, easier storage, and less hassle on travel days. From national parks to hidden campgrounds off the beaten path, this camper is ready to help you explore more with less stress.
Why Buy From Campers Inn RV
Since 1966, Campers Inn RV has been helping families and outdoor enthusiasts find the perfect RV for every adventure. With one of the largest RV inventories in the country, knowledgeable RV specialists, and customer-focused support before and after the sale, Campers Inn RV is committed to making your RV journey easy and enjoyable from day one.
The 2021 Forest River Flagstaff Hard Side High Wall 21DMHW is proof that big adventures can come in a compact package.
Features
Standard Features (2021)
Hard Side Package
- 10K BTU Cool Cat Heat Pump (A/C & Heater)
- Create-A-Breeze Roof Vent Fan
- 3-Way Refrigerator
- Heated Mattress on Master Bed (N/A T21TBHW & T21TBHWOR)
- Aluminum Wheels w/ 15” Mud Rover Tires (T21TBHWOR & T12RBTH)
- Spare Tire w/ Carrier & Cover
- Carbon Monoxide Detector
- Water Filtration System
- Stereo w/ Outside Speakers
- WiFi Booster w/ LTE Prep
- ProRac Permanent Crossbars (150lb rating)
- Power Roof Lift (T21DMHW, T21FSHW, T21TBHW, T21TBHWOR)
Hard Side Standard Features
- White Fiberglass
- Slatewood Interior
- 12 Volt Water Pump
- Power Roof Lift (T21TBHWOR/T21TBHW/T21DMHW/T21FSHW)
- Torsion EZ Lube Axles
- Hot Water Pkg w/ Outside Shower
- Port-A-Potty (T12RBST/T12RB)
- Shower/Cassette Toilet (T21DMHW)
- Residential Flush Toilet In Cabinet (T21DMHW only)
- 3 Burner Indoor Range w/Cover
- 3 Burner Glass Top Stove w/Oven (T21FSHW)
- 2 Burner Indoor Glass Top (T21TBHW/T21TBHWOR/T21DMHW)
- Microwave
- 2.5 Cubic Foot 3 Way Refrigerator
- Extra Large 3 Way Refrigerator (T21TBHWOR/T21TBHW/T21DMHW)
- Solar Prep On Frame
- Battery Box & Wiring
- 30 Amp Detachable Power Cord
- 35 Amp Converter
- 1/2 Sliding Storage Tray in Rear (Queen Bed Models Only)
- LED Ceiling Lights
- Raised Panel Cabinet Doors
- Positive Latches & Catches On Doors & Drawers
- Wood Drawers with Full Extension Metal Guides
- Interior Floor Lights
- Durable Diamond Plate Front
- Fiberglass Laminated Roof
- 13” Radial Tires (T12RBST/T12RB)
- 14” Radial Tires (T21 models)
- Aluminum Wheels w/ 15” Mud Rover Tires with Aluminum Rims (T12RBTH/T21TBHWOR)
- Electric Brakes
- 4 Stabilizer Jacks w/ Sand Pads
- Installed Door Step
- Double Step (T21HW Models)
- Large Folding Entry Door Grab Handle
- Courtesy Light on Front
- Outside Griddle
- Cable TV Ready
- Double 20# Gas Bottles w/Molded Cover
- Automatic Gas Regulator
Hard Side Options
- Power Front Jack
- 12’ Awning/Screen Room w/Privacy Panels (T12 Models)
- 14’ Awning/Screen Room w/Privacy Panels
- Hanging Wardrobe w/ 2 Shelves
- Pro Rac Upright Bike Carrier
- Pro Rac Kayak Carrier
- Pro Rac Load Stops
- Pro Rac Tie Downs
- 40 Amp Portable Solar Panel
See us for a complete list of features and available options!
All features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
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*All calculated monthly payments are an estimate for qualified buyers only and do not constitute a commitment that financing or a specific interest rate or term is available. Financing terms may not be available in all Campers Inn locations. Campers Inn RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual inventory in stock on our lot. Please contact us for availability as our inventory changes rapidly.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

