Swamp Donkey is a great climb that takes runners out of the reservoir area, and leads to many of the more popular parking areas. A series of about 30 well built switchbacks gets you out of the lowest sections.
Once you've climbed your way out of the depression that the reservoir sits in, you'll be treated to a gentle ascent that leads to the top of West Kelowna Rd. If you parked at the elementary school nearby, take the trail that breaks south (right). You end up at a rolling singletrack heading all the way back to the elementary school, which is a fun way to end a run.