Our original trail to Fox Lake was closed, so we ended up going further to Frozen Lake which was thankfully "unfrozen" in summer. Typically this tends to be a super muddy, slippery and gradually climbing trail which even seasoned hikers in our group had left half-way off. So, it was particularly wonderful for a fairly novice like me to make it all the way to the top- around 445 m elevation and total distance of 17.25 kms.
Also, the other fun thing was to jump in-and-out between Alberta and BC! These lakes and trails are right on the border and there are parts where we were actually walking on the inter-provincial line.