From southern part of Colorado: From the Dillon / Silverthorne area take Colorado Highway 9 north to Kremmling. Then take U.S. Highway 40 east to the town of Parshall.
From eastern part of Colorado: Take I-70 west past Idaho Springs to the U.S. Highway 40 exit (Berthoud Pass). Continue on Highway 40 to the town of Parshall.
From western part of Colorado: Take I-70 east to Dillon. Then take Colorado Highway 9 north to Kremmling. From there, take U.S. Highway 40 east to the town of Parshall.
Once you're there: This part of the Williams Fork River flows out of Williams Fork Reservoir just south of town. To access the river take County Road 3 south from Parshall and look for the parking area on the right. Then it's a short hike to the river along the trail. This stretch only goes for about 2 miles before it joins the Colorado River.