The route is 7.234 miles (11.642 km) long, and connects San Jacinto Battleground State Historic Site to Independence Parkway (former SH 134) in Houston in southeast Harris County.

PR 1836 begins at an intersection with Independence Parkway near several oil refineries in Houston, Harris County.

[2][3] Marker Drive leads northwest from Juan N. Seguin Boulevard and serves the park headquarters and the site of the USS Texas.

Another branch of PR 1836 heads southeast from the intersection of Juan N. Seguin Boulevard and Marker Drive and turns north before reaching a dead end adjacent to the Marsh and Wetlands Habitat.

Another section of the park road runs from Monument Circle southeast alongside the Marsh and Wetlands Habitat before turning southwest to intersect the easterly branch of PR 1836.