Boulder, South

I have never been to this section. Just told about it. I drove up the canyon but most likely didn't drive far enough before turning around. Looking at Google Maps it appears the location is here:

https://www.google.com/maps/place/Boulder,+MT+59632/@45.6637947,-112.0224966,12m/data=!3m1!1e3!4m5!3m4!1s0x535b473bd955721b:0x72165fa4adf4a52d!8m2!3d46.2365947!4d-112.1208336

https://www.google.com/maps/place/Boulder,+MT+59632/@45.6637947,-112.0224966,12m/data=!3m1!1e3!4m5!3m4!1s0x535b473bd955721b:0x72165fa4adf4a52d!8m2!3d46.2365947!4d-112.1208336