Canaan Valley's lift is faster (tested by
www.visitcanaan.com with a GPS).
More moderate terrain would be Canaan Valley as well.
Easier for the kids... Canaan Valley wins.
Clean and very well priced lodging: you guessed it: Canaan Valley.
Night: well, you have ice skating and tubing for kids - and older kids in Canaan Valley as well.
Why go to Timberline then?
If you are spending two days, you will really love the difference between the two resorts. Your kids will love the 2-mile run down Salamander, and if an easy Blue is called upon, Twister ski trail will be so "remembered" with exceptional views.
Call 304-259-5315 (direct line to the area's visitors center. Ask for details regarding Ski The Valley - and see if this ski pass will match your needs.
Bonus...
Between the 2 resorts lies White Grass Touring Center.
Looking for really good and healthy food... look no further.