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2026 Avalanche 366LS by Keystone Rv
New
Fifth Wheels
N° 1642

2026 Avalanche 366LS by Keystone Rv

Luxury
2026 Alpine Avalanche Edition 366LS Stock #1642, full body paint, front campside exterior view.
Campside pass-through storage compartment.
Front exterior view, and fifth wheel pin box.
Front storage comparment for generator. 50amp power cord.
Front hydraulic compartment. Solar charge controller and disconnect.
Front road side exterior view.
2 30 pound propane tanks with regulator.
Road side pass-through storage compartment entry.
Water station, water filter, low point valves, outdoor shower, black and grey tank pull handles, black tank flush, slide swtiches, Cable and satellite connections.
Tankless water heater and furnace exhaust.
Rear road side exterior view.
Rear exterior view.
50amp intlet.
Rear Campside exterior view.
Alpine Avalanche Edition.
366LS Alpine
Solid entry steps with grap handle.
Interior view from the entry door, towards the rear of the unit.
Interior view from the left side, facing towards the rear of the unit.
Interior view from the rear left side of the kitchen.
Interior view from the rear kitchen area.
Rear kitchen, cupboards, appliances, kitchen island, sink, and pantry.
Rear kitchen cabinets, sink, and counter space.
Microwave, oven, cooktop and counter space.
3 burner range with glass top.
Oven with storage drawer.
Microwave.
4 door refrigerator.
Refrigerator opened.
Kitchen sink.
Kitchen island.
L Shape sofa with recliners.
L Shape sofa.
Sofa, Desk, Storage cabinets in a slide.
Sofa.
Tri fold sofa bed.
Desk with chair.
Enterianment system, 65 inch TV, JBL sound system, and electric fireplace.
Dining table and chairs.
Master bedroom with king size bed.
King size bed with reading lights.
Under bed storage compartment.
Bedroom dresser.
Master bedroom mirror closet doors.
Master bedroom closet.
Master bedroom closet with washer hookup.
Washer hookup in bedroom.
View of bathroom from bedroom.
Bathroom with bedroom door open.
Bathroom with bedroom door closed
Bathroom vanity.
Bathroom sink.
Bathroom mirror.
Bathroom shower.
toilet paper holder drawer.
Pull out storage shelves.
Foot flush toilet.
2026 Alpine Avalanche Edition 366LS Stock #1642, full body paint, front campside exterior view.
Campside pass-through storage compartment.
Front exterior view, and fifth wheel pin box.
Front storage comparment for generator. 50amp power cord.
Front hydraulic compartment. Solar charge controller and disconnect.
Front road side exterior view.
2 30 pound propane tanks with regulator.
Road side pass-through storage compartment entry.
Water station, water filter, low point valves, outdoor shower, black and grey tank pull handles, black tank flush, slide swtiches, Cable and satellite connections.
Tankless water heater and furnace exhaust.
Rear road side exterior view.
Rear exterior view.
50amp intlet.
Rear Campside exterior view.
Alpine Avalanche Edition.
366LS Alpine
Solid entry steps with grap handle.
Interior view from the entry door, towards the rear of the unit.
Interior view from the left side, facing towards the rear of the unit.
Interior view from the rear left side of the kitchen.
Interior view from the rear kitchen area.
Rear kitchen, cupboards, appliances, kitchen island, sink, and pantry.
Rear kitchen cabinets, sink, and counter space.
Microwave, oven, cooktop and counter space.
3 burner range with glass top.
Oven with storage drawer.
Microwave.
4 door refrigerator.
Refrigerator opened.
Kitchen sink.
Kitchen island.
L Shape sofa with recliners.
L Shape sofa.
Sofa, Desk, Storage cabinets in a slide.
Sofa.
Tri fold sofa bed.
Desk with chair.
Enterianment system, 65 inch TV, JBL sound system, and electric fireplace.
Dining table and chairs.
Master bedroom with king size bed.
King size bed with reading lights.
Under bed storage compartment.
Bedroom dresser.
Master bedroom mirror closet doors.
Master bedroom closet.
Master bedroom closet with washer hookup.
Washer hookup in bedroom.
View of bathroom from bedroom.
Bathroom with bedroom door open.
Bathroom with bedroom door closed
Bathroom vanity.
Bathroom sink.
Bathroom mirror.
Bathroom shower.
toilet paper holder drawer.
Pull out storage shelves.
Foot flush toilet.
360 View
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New
Fifth Wheels
Stock N° 1642

2026 Avalanche 366LS by Keystone Rv

Location: New Glasgow

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MSRP

$157,265
Savings
$
0.00

Our Price

$143,900

You will receive a confirmation call within 24 hours of placing the request. If you have not received a phone call within this time frame, please contact our New Glasgow location at (833) 745-3783 or Sydney location at (833) 745-3786

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2026-Alpine-Avalanche-366LS-Floorplan

The 2026 Keystone Alpine Avalanche Edition 366LS is a spacious 40-foot 10-inch luxury fifth wheel with five slideouts and sleeping space for up to six people, now available at Stone’s RV, New Glasgow, Nova Scotia. This rear kitchen floorplan features 100-inch wide-body construction for maximum living space and includes Keystone’s exclusive MaxTurn Technology for improved maneuverability. The 366LS combines modern design with all-season capability through its Polar Pack protection system.

This fifth wheel trailer offers a thoughtful layout with a front master bedroom featuring a king bed slideout, a central living area with the largest L-shaped sofa with recliners, and a rear kitchen with an island for meal preparation. The 2026 Alpine Avalanche for sale at this New Glasgow RV dealer includes premium features like a 6-point hydraulic auto-leveling system, dual 15K BTU air conditioners, and an 18 cubic foot residential refrigerator.

Built for extended stays or weekend getaways, the Alpine Avalanche Edition 366LS provides 150 cubic feet of heated basement storage and a heated, enclosed underbelly for four-season camping. The dual-entry bathroom includes a shower with seat, while the living area features a 65-inch LED smart TV with JBL sound system and a designer fireplace. If you’re searching for a luxury RV in Nova Scotia that combines comfort, quality construction, and innovative features, this Keystone fifth wheel delivers exceptional value.

Air Conditionner

Heating System

Residential Kitchen

Large Living Space & Separate Bedroom

Full Bathroom

Large Entertainment Systems

Lots of Storage

STONE'S RV NEWSLETTER

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2026 Alpine Avalanche Edition 366LS Stock #1642, full body paint, front campside exterior view.

2026 Avalanche 366LS by Keystone Rv

MSRP

$157,265

Savings

$
0.00

Our Price

$143,900,00

The prices indicated here are indicative. Please check the latest updated price of this unit on our website.

Main specification
  • Status
New
  • Brand / Manufacturer / Model
Keystone Rv / Avalanche /
366LS
  • Year
2026
  • Stock number
1642
  • Interior colour
Lodge Decor
  • Exterior colour
Black Full Body Paint
Dimension
  • Dry Weight
14027 lbs
  • Length
40'
10"
  • Height
13'
4"
  • Width
8'
4"
floorplan
  • Sleeps
Sleeps 6
  • Slides
5+ Slideouts
  • Floorplan
  • Bathroom - Centre
  • Bedroom - Front
  • Kitchen - Rear
  • Living Area - Centre
  • Slideout - Bedroom
  • Slideout - Dinette
  • Slideout - Kitchen
  • Slideout - Sofa
    • Utilities
    • Gray Water
    83 gal
    • Fresh Water
    75 gal
    • Black Water
    49 gal
    • Utilities
    • Polar Pack all-season protection system
    • Heated and enclosed underbelly with 1-piece polypropylene
    • Astro foil reflective layer on roof, front, and rear walls
    • Two static attic vents
    • In-floor heating ducts
    • 35,000 BTU gas furnace
    • Dual Quiet Cool 15K BTU air conditioners with whisper-quiet technology
    • Third 13.5K BTU A/C prep
    • Fully programmable dual-zone temperature control
    • 42,000 BTU on-demand water heater
    • 12V heat pads on all one-piece rotocast holding tanks
    • Forced ducted air over all holding tanks
    • PEX lines routed through heated underbelly
    Construction
    • 12-inch I-beams with 8-inch Z-drop frame technology
    • 100-inch wide-body construction
    • Double-welded aluminum construction
    • Laminated sidewalls
    • Painted fiberglass cap with patented Key Shield protection
    • Full body paint
    • Radius roof with 5-degree pre-engineered roof trusses and walkable rafters
    • 1-piece Alpha Super Flex TPO membrane
    • Tru-Fit slide construction
    • Summit slide-rooms with 6 ft 10 in interior height
    • Hydraulic selector valves for slideouts
    • Dexter heavy-duty 7,000 lb axles with Nev-R-Adjust brakes
    • Road Armor shock-absorbing suspension with wet bolts and brass bushings
    • G-rated tires (ST235/80R16G)
    • Lippert TPMS prep port
    Exterior
    • Large tinted safety glass windows (80% tint)
    • Frameless dual-pane windows
    • Front cap LED lighting
    • Rear-mounted exterior ladder
    • Super-size 6 ft 4 in tall, 30 in wide entry door
    • Lippert Strut Assisted SolidStep entry
    • 150 cubic feet heated basement storage
    • Class-A style dual slam latch cargo doors
    • Carefree power awning with adjustable arms and LED light bars
    • Slide awnings (quads and above)
    • Easy access heated and enclosed water works center
    • Canister style water filtration
    • Oversized 73-inch sewer hose carrier
    • Outside shower with hot and cold water
    • Battery quick-disconnect
    Bathroom
    • Dual entry bath
    • Shower with seat
    • Translucent glass shower enclosure
    • Oxygenic shower head
    • Shower skylight
    • High-watt shower light
    • Sorrento Biscotti pressed membrane countertops
    • Porcelain foot-flush toilet
    • Medicine cabinet
    • Linen cabinet
    • Pull-out linen cabinet
    • Pull-out trash can
    • Toilet tissue drawer
    LIVING ROOM / Kitchen
    • Largest L-shaped sofa with recliners
    • Hide-a-bed sofa sleeper
    • Free-standing dinette with legless table and storage
    • Four high-back dinette chairs with storage
    • Desk with chair
    • Kitchen island
    • Pantry
    • Solid-surface countertops
    • Stainless steel extra-deep sink with dual bowls
    • Solid surface sink cover
    • High-rise single-lever faucet with sprayer
    • Designer knurled cabinet and drawer pulls
    • Hidden hinge soft-close cabinet doors with magnetic holds
    • 18 cubic foot residential refrigerator (with 2000W inverter)
    • Furrion 12V 19.6 cubic foot refrigerator option
    • 30-inch Furrion microwave
    • Furrion range with oven
    • 65-inch LED smart TV with JBL sound system and custom accent wall
    • JBL Aura Cube sound system with exterior belly-mounted speakers
    Bedroom
    • King bed slideout
    • Master closet
    • Dresser
    • Two LED overhead reading lights
    • Bedside outlets on both sides
    • Quilted bedspread
    • Modern nail-head decorative headboard
    • TV hookup
    • Stackable washer/dryer prep
    Decor
    • Designer Beaufloor with 7-year limited warranty
    • Extra tall 6 ft 10 in main slide height
    • Hardwood slideout fascia with wood accents
    • Night roller shades
    • Designer upholstered window valances with custom wood window frame
    • Painted/stained solid wood cabinet doors and drawer fronts
    • Automotive-style snap-in crown molding and ceiling batton strips
    • Flush-mounted residential can-style LED lighting throughout
    • 7 inverter-prepped outlets throughout
    • 40-inch designer fireplace with decorative surround
    • Thomas Payne furniture equipped with heat, LED lights, and USB charging stations
    • Industry-first one-flip switch for all exterior LED lights

    KEYSTONE EXCLUSIVE DEALERSHIP

    Large selection
    in stock

    We offer financing or take trade-ins toward your RV purchase.

    STONE'S RV is a proud RV Care Dealer

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    Business Hours
    Monday
    8:00 AM – 5:00 PM
    Tuesday
    8:00 AM – 5:00 PM
    Wednesday
    8:00 AM – 5:00 PM
    Thursday
    8:00 AM – 5:00 PM
    Friday
    8:00 AM – 5:00 PM
    Saturday
    Closed
    Sunday
    Closed

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    • SYDNEY
    • NEW GLASGOW

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