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: Near the town there are several public access points to the river along U.S. 40 on the south side of the road. Also nearby is the Williams Fork River flowing out of Williams Fork Reservoir just south of town. To access this 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. There is also a 2-mile stretch just east of Parshall at the Hot Sulphur Springs State Wildlife Area.