From Springfield, MO:

Take Highway 65 South from Springfield.  Go past the Branson exits into Hollister and just south of Lowes.  Look for a stoplight at Highway 265.  Turn Right.  As 265 turns 90 degrees to the right, stay straight for another 100ft to Highway P.  Turn right on Highway P.  Branson Canyon is on the right at the bottom of the hill just before you get to Table Rock Lake.

From Harrison, AR:

Take 65 North from Harrison and across the state line.  Go past Highway 86 and continue North to the stoplight at Highway 265.  Turn Left.  As 265 turns 90 degrees to the right, stay straight for another 100ft to Highway P.  Turn right on Highway P.  Branson Canyon is on the right at the bottom of the hill just before you get to Table Rock Lake.