I really enjoyed Chinaman's Peak. We went on a really foggy morning in the spring/early summer and didn't know we were at the top til we almost fell down the other side! But it is quite spectacular at the top.
Heart mountain is good too. Not a lot of scrambling, more of a steep hike.
Yamnuska is a good workout, with some challenging optional scramble routes, and one hell of a scree slide on the way down (it felt like I was skiiing down on the small rocks; you can pick up quite a bit of speed and make a ride out of it).
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