I am a big bore fan and I usually carry a .44 or a .45 when I am " out and about" in the woods. That being said the GP100 .357 is a great choice as would a Blackhawk 357. You can shoot 38 ammo for plinking if you like. If you are carrying because of bears I suggest going heavier than the 357.

"Therefore go and make disciples of all nations,... "
Matthew 28:19

Handgun hunter since 1979 - haven't used a rifle since!
HHI member #992, NRA, SCI.