I can't comment on Callaway as we've never been out there.
I can, however, comment on Kananaskis - it is *awesome* - do a little Googling for some images from there to see what I mean.
We camp every year in Boulton Creek in Peter Lougheed Park in Kananaskis and it is absolutely incredible. We're booked for 7 days in late July.
It is bear country, however. We always pack bear spray and a marine horn, just in case.
2016 Ford F350 Lariat 4x4 SuperCrew 6.7 diesel
2015 Rockwood 8288 WS