2026 Keystone Alpine Avalanche Edition 366LS
Fifth Wheel · Avalanche Edition Fifth Wheel · 40.83 ft · sleeps 6

The 2026 Keystone Alpine Avalanche Edition 366LS is a fifth wheel (avalanche edition fifth wheel). At sleeps 6, 40.83 ft long, 14,027 lbs dry, it's positioned for buyers comfortable towing with the right tow vehicle.
Floor plan
Photos of the 2026 Keystone Alpine Avalanche Edition 366LS
Walkthrough video
Video courtesy of Bama RV on YouTube.
Full specifications
Dimensions
| Length | 40.83 ft |
|---|
Weights
| Dry Weight | 14,027 lbs |
|---|
Living
| Sleeps | 6 |
|---|---|
| Bunkhouse | No |
Power & Electrical
| Shore Power | 50 A |
|---|
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | Yes |
| Residential Fridge | Yes |
| Fireplace | No |
| Four-Season | Yes |
| Off-Road Capable | No |
| Washer / Dryer | prep |
Similar Fifth Wheels to consider
Other fifth wheels in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Keystone Alpine Avalanche Edition 366LS sleep?
The 2026 Keystone Alpine Avalanche Edition 366LS sleeps 6.
How long is the 2026 Keystone Alpine Avalanche Edition 366LS?
The 2026 Keystone Alpine Avalanche Edition 366LS is 40.83 feet long.
What's the dry weight of the 2026 Keystone Alpine Avalanche Edition 366LS?
The 2026 Keystone Alpine Avalanche Edition 366LS has a dry weight of 14,027 lbs.
Where can I buy the 2026 Keystone Alpine Avalanche Edition 366LS?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Keystone" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
Not sure if the 2026 Keystone Alpine Avalanche Edition 366LS is right for you?
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