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Keystone Alpine Avalanche Edition fifth wheel 379MB highlights:

  • U-Shaped Dinette
  • Middle Bunkhouse
  • Shower with a Seat
  • Four Slides
  • Bedroom Master Closet
  • Fireplace

Sleeping & Living Layout

  • Sleeps: Up to 9 (some listings say 8)

  • Four slide-outs for spacious interior expansion.

  • Mid-bunkhouse configuration: middle bunk room with flip bunk + hide-a-bed sofa + pull-out table/storage.

  • Front master bedroom with king bed slide-out and washer/dryer prep. 

Interior & Amenities

  • Rear kitchen: wrap-around counter space, residential-style refrigerator (~18 cu ft)

  • Luxury bathroom: shower with seat + skylight.

  • “Polar Pack” all-season protection: heated/enclosed underbelly, Astro foil reflective layer on roof/front/rear walls, attic vents.

  • Wide-body 100" construction for more interior space. 

  • Exterior features: 50 amp electrical service, dual awnings (e.g., 14' & 20') in many dealer specs.

Exterior & Construction Highlights

  • High-gloss laminated sidewalls, 12" I-beams with Z-frame technology, walkable roof, large tinted safety-glass windows.

  • Heavy duty axles, “Road Armor” hitch & suspension options.

Call, Click, Text or Visit Us Today at Campers Inn of Kings Mountain and Find Your Away!

Stock 360 Tour & Stock Images may be shown. Colors & Specs may vary.

New 2026 Keystone RV Avalanche 379MB

Type: Fifth Wheel
Condition: NEW
Year: 2026
Manufacturer: Keystone RV
Brand: Avalanche
Model: 379MB
Weight (Dry/Gross): 14445 lbs / --
Sleeps: 9
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