Valhalla Park in BC is a magial place; remote and deep in the Eastern Kootenay it is seldom visited.  It boasts jagged peaks with world class alpine climbing, huge lakes, fishing, cabins, and grizzly bears.  They chose the BTW seat and have built their own toilet buildings for both Decompose and Waste Away.  

 

Here's the website: 

http://www.env.gov.bc.ca/bcparks/explore/parkpgs/valhalla/

TESTIMONIAL

Popular Science Magizine article

 

Location	Valahlla Provincial Park – British Columbia
Toilet Type	Decompose & Waste Away
Building Type	Custom
Vault Type	Custom
Seat Type	BTW (multiple sites)
Usage Rate / Description	10-100 per day
Solid Waste Retention	Varies by type
Temps / Elevation	1000-2000 m
Start Up Year	2018