All hides in the Grab a multi series are winter friendly.
Most are bison tubes hanging high where you may require a CITO grabber to reach the cache.
At stage one you will see a sign, there are no numbers on the sign. Count the number of sides on the red part, this = D. Multiply D by .01 then add the number to both these North and West coords:
N43° 03.812 W79° 09.574