When the water warms the Crappie head into shallower water as going deep is not required during the spawn. Crappie do hit surface flys anytime, I've caught them mid summer with hoppers.
Why are you concerned about this pond being in the woods? You have a canoe, use it! Plus, because your new to fly-fishing, sitting close to the water will force you to "Keepyst Thynne Baakast Upeth"