Whonnock is a nice lake to take the kids as it has a beach area for the kidst to play on if they need a break from the fishing
If the crappie are biting it is great for the kids as once you get into them dont move and you will have lots of hook ups
If you do go there try fishing just before the floating platform (approx 300mts out) you will see the lilly pads just below the surface, this is where the crappie love to hide
the kids can use a spinner set up with a bobber and worm\ power bait etc,
even a small fly under the bobber with a slow retrieve will get you some crappie
There are Rainbows (stocked) and some cutties in there so lots to fish for
This is also a lake away from the noise of traffic.
You only need oars to get you out to where you need to be also an anchor to keep you in the zone
lots of space to park your trailer
good luck and have fun