While staying at Brookhollow, I did a quick ride along the dike that wraps around the park.
The entrance:

Views from the dike path:









A video of the route:
I rearranged the contents of the bed of our truck. I previously had the bikes side-by-side, with the hammock and canopy tent on top:


Instead, I rearranged things so the bikes are front-to-back, with other stuff beside them:





This seems to be a better layout, as I can get the bikes out without having to remove other items, and vice versa.