From Dallas - Take I-20 (same as 80) out of Dallas, following signs to Terrell to get out of town. Drive 150 miles and take the first Marshall exit (TX 43), turning left into Marshall. (It will also say exit to Caddo Lake State Park). Follow directions below.

From Houston - Take US 59 to Marshall. Continue through Marshall past the railroad underpass and
exit to the right on TX 43 North. From Texarkana Take US 59 to Atlanta, junction TX 43 (south) in Atlanta toward Marshall and Caddo Lake State Park. Take Farm Road 2198 toward Uncertain and follow directions below.

From Shreveport - Take TX 134 from IH 20 toward Caddo Lake State Park and continue about 20 miles until you dead end into TX 43, go north & pick up directions at Farm Road 2198.

TO UNCERTAIN - Drive through Marshall continuing north on TX 43 (to Karnack & Caddo Lake State Park). Drive about 16 miles and junction FM 2198 to Uncertain and Caddo Lake State Park. (If you cross Big Cypress River you've missed the FM 2198 junction.) Pass the state park and bear left. Go about 5 miles and you'll be in the Heart of Uncertain.