Body Position On Uphill Angle
Your knees, hips and shoulders need to tilted the same as the lay of land.
Catch Ball On Upswing
Your ball position should be one ball width toward your lead foot. Also, as the uphill angle adds loft to the clubface, grab one more club to maintain your distance.
Drop Back Down The Hill
Swing through the ball, catching it on the upswing. As you pivot and finish, your weight will pull you back down the hill, causing you to drop onto your back foot.