Do you have to pay the entrance fee for the museum to access the bayou bend as well as the entrance fee for the bayou bend? Or do you just pay for the bayou bend?

If I remember correctly, you only have to pay if you want to see the museum.

Self-Guided House Tours No reservations needed Friday–Sunday 1 p.m.– 5 p.m. (last admission 4 p.m.) August-Only Schedule Tuesday–Saturday 10 a.m.–5 p.m. (last admission 4 p.m.) Sunday 1 p.m.–5 p.m. (last admission 4 p.m.) Admission: Highlights Tour & Self-Guided House Tour $12.50 Adults $11 Students (with ID) / Seniors (65+ with ID) $10 Museum members $6.25 Children 10–18 Free for children 9 and younger* *Children 9 and younger are not permitted on guided house tours. Admission: Study Tour $15 Adults $13.50 Students (with ID) / Seniors (65+ with ID) $12.50 Museum members $7.50 Children 10–18 Children 9 and younger are not permitted on guided house tours. Self-Guided Gardens Tours (No reservations needed) Tuesday–Saturday 10 a.m.–5 p.m. (last admission at 4:30 p.m.) Sunday 1 p.m.–5 p.m. (last admission at 4:30 p.m.) Gardens-Only Admission $7.50 Adults $6 Students (with ID) / Seniors (65+ with ID) $5 Children 10–18 Free for children 9 and younger