Grapevine Access is a free, primitive dispersed camping site located off Highway 299 approximately 5 miles from Big Flat, offering drive-in access directly to the North Fork Trinity River.

This first-come, first-served location provides river access for fishing and water recreation with minimal amenities—visitors must be completely self-sufficient with their own water and supplies, following Leave No Trace principles.

Note that GPS coordinates for this site may be inaccurate; use Highway 299 mile markers and local landmarks for navigation.