Starting at the gate to the left of the parking lot, enter the trail to the right (of the gate) that follows the road.
Stay right the whole time, until you come to Summer Rain
, and take a right, followed by an immediate uphill left, and stay left once in the pines. When you come to the clearing, take the right, and the trail becomes Pine Tree Loop
1, which will put you out onto Dam Rd. Follow down to reach the dam, or up to go back to the main parking lot.