2026 Keystone Alpine Avalanche Edition 366LS – Spacious Luxury with Rear Kitchen Design

The Alpine Avalanche Edition 366LS is built for extended comfort, offering five slide-outs, premium residential amenities, and a spacious rear kitchen layout. With its luxurious interior and Keystone’s exclusive construction features, this fifth wheel is perfect for couples or families who want both elegance and functionality on the road.

Key Highlights

Sleeping Arrangements

• Front private master suite with king bed slide-out

• Spacious master closet with ample wardrobe storage

• Dresser and washer/dryer prep for long-term convenience

• Hide-a-bed sofa sleeper for additional guests

Kitchen & Dining

• Rear kitchen with expansive counter space and large kitchen island

• 18 cu. ft. residential refrigerator for plenty of cold storage

• Generous pantry for dry goods and meal essentials

• Free-standing dinette for comfortable family meals or game nights

Living Area

• Largest L-shaped sofa with integrated recliners for relaxation

• Hide-a-bed sofa sleeper for added flexibility

• Entertainment-ready design for movie nights or gatherings

Bathroom

• Dual-entry bathroom for convenience from both hallway and master suite

• Shower with built-in seat for added comfort

• Spacious vanity and storage for linens and toiletries

Work & Lifestyle Features

• Dedicated desk with chair for remote work or hobby space

• Ideal setup for travelers balancing work and leisure

Exterior Features

• Wide-body construction for a more open interior feel

• Polar Pack All Season Protection with heated/enclosed underbelly

• Astro foil reflective insulation in roof, front, and rear walls

• Two static attic vents for improved airflow

Construction & Keystone Exclusives

• Tru-Fit slide construction for long-term durability

• In-floor heating ducts for cozy comfort

• KeyTV™ system for simplified and reliable entertainment hookup

• Hardwood slide-out fascia, designer window valances, and wood accents for a residential feel

Why Choose the 2026 Keystone Alpine Avalanche Edition 366LS?

The Alpine Avalanche Edition 366LS is designed for travelers who want a luxurious, residential-style RV with plenty of room to live, work, and entertain. From its expansive five-slide design to its well-equipped rear kitchen and spacious master suite, this model blends comfort with practicality. Whether you’re camping seasonally or traveling full-time, the 366LS delivers Keystone’s signature durability and upscale features for a true home-on-wheels experience.

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