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We do our best to keep listing details accurate, but pricing, specifications, and availability come from third-party sources and can change without notice. We can't guarantee accuracy, so please confirm the details with the dealer before making any decisions. See something inaccurate? Contact us.

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    3. 2026 Keystone Alpine Avalanche Edition 366LS

    2026 Keystone Alpine Avalanche Edition 366LS

    NewFifth wheel|Stock #TE760093|Located at Showalter RV in Nappanee, IN
    $70,999$111,115
    Save $40,116
    RV Envy

    2026 Keystone Alpine Avalanche Edition 366LS

    New · Fifth wheel

    $70,999$111,115Save $40,116

    Showalter RV – Nappanee

    2581 E Market St

    Nappanee, IN 46550

    Stock #TE760093

    2026 Keystone Alpine Avalanche Edition 366LS floor plan

    Specifications

    Length40 ft 10 in
    Dry weight14,027 lbs
    Sleeps5 people
    Slideouts5

    Full specifications

    AC BTU30000 btu
    Available BedsKing
    Awning Info9' and 16' Power Carefree w/Adjustable Arms
    Axle Count2
    Axle Weight7000 lbs
    Black Water Capacity49 gals
    Cargo Capacity2173 lbs
    Cooktop Burners3
    Dry Weight14027 lbs
    Electrical Service50 amp
    Ext Height13 ft 4 in
    Ext Width8 ft 4 in
    Fresh Water Capacity75 gals
    Furnace BTU35000 btu
    Grey Water Capacity83 gals
    Hitch Weight2365 lbs
    LP Tank Capacity30 lbs.
    Length40 ft 10 in
    Number of Awnings2
    Number of LP Tanks2
    Refrigerator Size18 cu ft
    Refrigerator TypeResidential
    Shower TypeShower w/Seat
    Sleeps5
    Slides5
    TV InfoLR 65" TV
    Tire SizeST235/80R16G
    Washer/Dryer AvailableYes

    Options and equipment may differ from those listed. We do our best to ensure accuracy, but please confirm all details with the dealer before purchase.

    Get more info

    2026 Alpine Avalanche Edition 366LS

    2026 Alpine Avalanche Edition 366LS
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.

    Dealer information

    Showalter RV – Nappanee

    2581 E Market St
    Nappanee, IN 46550

    Keystone Alpine Avalanche Edition fifth wheel 366LS highlights:

    • Five Slides

    • King Bed

    • Free-Standing Dinette

    • Largest L-Shaped Sofa

    • Desk with a Chair

    This rear kitchen fifth wheel makes extended stays or weekend trips to the lake enjoyable! The chef of your group will find plenty of counter space with the included kitchen island, plus there is a pantry and 18 cu. ft. residential refrigerator for food storage. A free-standing dinette provides a place to dine together, and the largest L-shaped sofa with recliners will be the perfect spot to relax with a movie. If you have guests, they could sleep here or on the hide-a-bed sofa sleeper. The dual entry bath includes a shower with a seat for added comfort, and the front master bedroom will feel just like home with its king bed slide out and master closet. There is also a dresser and stackable washer and dryer prep if you want to add those appliances!

    With any Keystone luxury Alpine Avalanche Edition fifth wheel, you will experience wide-body construction that allows you to stretch out and stay awhile during any season thanks to the Polar Pack All Season Protection that includes a heated and enclosed underbelly, an Astro foil reflective layer on the roof, front and rear walls, and two static attic vents, plus more! The interior offers hardwood slide out fascia with wood accents, d****esigner upholstered window valances with custom wood window frame, plus your choice of modern interior design. There are many more Keystone exclusives, like the Tru-Fit slide construction, the in-floor heating ducts, KeyTV, and much more to bring you a full-packed, luxury fifth wheel!

    Keystone Alpine Avalanche Edition fifth wheel 366LS highlights:

    • Five Slides

    • King Bed

    • Free-Standing Dinette

    • Largest L-Shaped Sofa

    • Desk with a Chair

    This rear kitchen fifth wheel makes extended stays or weekend trips to the lake enjoyable! The chef of your group will find plenty of counter space with the included kitchen island, plus there is a pantry and 18 cu. ft. residential refrigerator for food storage. A free-standing dinette provides a place to dine together, and the largest L-shaped sofa with recliners will be the perfect spot to relax with a movie. If you have guests, they could sleep here or on the hide-a-bed sofa sleeper. The dual entry bath includes a shower with a seat for added comfort, and the front master bedroom will feel just like home with its king bed slide out and master closet. There is also a dresser and stackable washer and dryer prep if you want to add those appliances!

    With any Keystone luxury Alpine Avalanche Edition fifth wheel, you will experience wide-body construction that allows you to stretch out and stay awhile during any season thanks to the Polar Pack All Season Protection that includes a heated and enclosed underbelly, an Astro foil reflective layer on the roof, front and rear walls, and two static attic vents, plus more! The interior offers hardwood slide out fascia with wood accents, d****esigner upholstered window valances with custom wood window frame, plus your choice of modern interior design. There are many more Keystone exclusives, like the Tru-Fit slide construction, the in-floor heating ducts, KeyTV, and much more to bring you a full-packed, luxury fifth wheel!

    Specifications

    Length

    40 ft 10 in

    Dry weight

    14,027 lbs

    Sleeps

    5 people

    Slideouts

    5

    Specifications

    Length

    40 ft 10 in

    Dry weight

    14,027 lbs

    Sleeps

    5 people

    Slideouts

    5

    Unit features & options

    • 10" I-Beams w/ 8" Z-drop frame technology and 100" wide-body construction (model specific)
    • 12" I-Beams w/ 8" Z- drop frame technology and 100" wide-body construction (model specific)
    • Road Armor shock absorbing hitch pin
    • MaxTurn Technology and Hitch Vision w/ LED lighting
    • High-gloss Laminated sidewalls w/ double-welded aluminum construction
    • Large, tinted safety glass windows (80% tint)
    • Framless dual-pane windows (optional)
    • Painted fiberglass cap w/ patented Key Shield protection and LED lighting
    • Radius roof w/ 5° pre-engineered roof trusses and walkable rafters
    • 1-piece Alpha Super Flex TPO membrane
    • Rear-mounted exterior ladder
    • Summit slide-rooms w/ 6'10" interior height and hydraulic selector valves for slide outs
    • Heated and enclosed underbelly w/ 1-piece polypropylene
    • Dexter heavy duty 7,000 lb. axles w/ Nev-R-Adjust brakes (model specific)
    • Dexter heavy duty 8,000 lb. axles w/Nev-R-Adjust brakes (model specific)
    • Slide Awnings: Triples (optional)
    • Slide Awnings: Quads and Above (optional)
    • Road Armor Shock Absorbing Suspension w/ wet bolts, brass bushings, and oversized 1/2" shackles
    • Sailun G-rated tires
    • Lippert T.P.M.S Prep Port
    • Premium Lippert Titan-BaseCamp 6-point Hydraulic auto-leveling system (includes larger landing gear, LED lights at all jack posts, and intuitive touch screen w/ integrated BlueTooth capabilities)
    • Super size, 6' 4" tall, 30" wide entry door
    • Lippert Strut Assisted SolidStep
    • 150 Cu. Ft. heated basement storage and class-A style, dual slam latch doors

    Unit features & options

    • 10" I-Beams w/ 8" Z-drop frame technology and 100" wide-body construction (model specific)
    • 12" I-Beams w/ 8" Z- drop frame technology and 100" wide-body construction (model specific)
    • Road Armor shock absorbing hitch pin
    • MaxTurn Technology and Hitch Vision w/ LED lighting
    • High-gloss Laminated sidewalls w/ double-welded aluminum construction
    • Large, tinted safety glass windows (80% tint)
    • Framless dual-pane windows (optional)
    • Painted fiberglass cap w/ patented Key Shield protection and LED lighting
    • Radius roof w/ 5° pre-engineered roof trusses and walkable rafters
    • 1-piece Alpha Super Flex TPO membrane
    • Rear-mounted exterior ladder
    • Summit slide-rooms w/ 6'10" interior height and hydraulic selector valves for slide outs
    • Heated and enclosed underbelly w/ 1-piece polypropylene
    • Dexter heavy duty 7,000 lb. axles w/ Nev-R-Adjust brakes (model specific)
    • Dexter heavy duty 8,000 lb. axles w/Nev-R-Adjust brakes (model specific)
    • Slide Awnings: Triples (optional)
    • Slide Awnings: Quads and Above (optional)
    • Road Armor Shock Absorbing Suspension w/ wet bolts, brass bushings, and oversized 1/2" shackles
    • Sailun G-rated tires
    • Lippert T.P.M.S Prep Port
    • Premium Lippert Titan-BaseCamp 6-point Hydraulic auto-leveling system (includes larger landing gear, LED lights at all jack posts, and intuitive touch screen w/ integrated BlueTooth capabilities)
    • Super size, 6' 4" tall, 30" wide entry door
    • Lippert Strut Assisted SolidStep
    • 150 Cu. Ft. heated basement storage and class-A style, dual slam latch doors

    Full specifications

    As provided in the original listing

    AC BTU30000 btu
    Available BedsKing
    Awning Info9' and 16' Power Carefree w/Adjustable Arms
    Axle Count2
    Axle Weight7000 lbs
    Black Water Capacity49 gals
    Cargo Capacity2173 lbs
    Cooktop Burners3
    Dry Weight14027 lbs
    Electrical Service50 amp
    Ext Height13 ft 4 in
    Ext Width8 ft 4 in
    Fresh Water Capacity75 gals
    Furnace BTU35000 btu
    Grey Water Capacity83 gals
    Hitch Weight2365 lbs
    LP Tank Capacity30 lbs.
    Length40 ft 10 in
    Number of Awnings2
    Number of LP Tanks2
    Refrigerator Size18 cu ft
    Refrigerator TypeResidential
    Shower TypeShower w/Seat
    Sleeps5
    Slides5
    TV InfoLR 65" TV
    Tire SizeST235/80R16G
    Washer/Dryer AvailableYes

    Full specifications

    As provided in the original listing

    AC BTU30000 btu
    Available BedsKing
    Awning Info9' and 16' Power Carefree w/Adjustable Arms
    Axle Count2
    Axle Weight7000 lbs
    Black Water Capacity49 gals
    Cargo Capacity2173 lbs
    Cooktop Burners3
    Dry Weight14027 lbs
    Electrical Service50 amp
    Ext Height13 ft 4 in
    Ext Width8 ft 4 in
    Fresh Water Capacity75 gals
    Furnace BTU35000 btu
    Grey Water Capacity83 gals
    Hitch Weight2365 lbs
    LP Tank Capacity30 lbs.
    Length40 ft 10 in
    Number of Awnings2
    Number of LP Tanks2
    Refrigerator Size18 cu ft
    Refrigerator TypeResidential
    Shower TypeShower w/Seat
    Sleeps5
    Slides5
    TV InfoLR 65" TV
    Tire SizeST235/80R16G
    Washer/Dryer AvailableYes

    Price history

    Days listed

    325

    Price drops

    8

    Total price reduction

    -$7,000

    Sign in to see 8 price changes

    Price history

    Days listed

    325

    Price drops

    8

    Total price reduction

    -$7,000

    Sign in to see 8 price changes

    Get more info

    2026 Alpine Avalanche Edition 366LS

    2026 Alpine Avalanche Edition 366LS
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.