Local context
Why the river belongs under the San Marcos hub and not under Austin.
Spot page
San Marcos River
A San Marcos anchor that belongs in its own local cluster and keeps the southern branch distinct from Austin and New Braunfels.
What belongs on this page
Trip planning
What a visitor should know before heading to the river corridor.
Where it fits
The page should link back to the city hub and the Hill Country umbrella.
Stay page
The matching stay page narrows the base to the river-town zone before any external search happens.