Ancient Trees in San Antonio
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The Ben Milam Cypress
Bald Cypress (Taxodium distichum). over 200 years. Free, visible year-round from the public River Walk path and from river barge tours; also viewable from the patio of a riverside restaurant nearby.

The Big Tree at the Alamo
Southern Live Oak (Quercus virginiana). roughly 155-160 years. Free (the Alamo grounds and courtyards are free to enter; only the interior exhibits require a ticket). Reachable by the downtown Blue or Yellow bus routes.

The Champion Mexican Sycamore
Mexican Sycamore (Platanus mexicana). roughly 35-45 years. Free. Stands on Trinity University's open campus grounds (the disc golf course), reachable on foot; VIA bus Route 8 stops nearby on Stadium Drive.

The Champion Mountain Laurel at Incarnate Word
Texas Mountain Laurel (Dermatophyllum secundiflorum, syn. Sophora secundiflora). not documented; local tradition says around 100 years. Free. Stands on University of the Incarnate Word grounds near the public Lourdes Grotto, a devotional site open to visitors (the grotto's own gate is only decorative, not locked); driving onto campus may require a visitor parking pass, but the grotto itself is a walk-up public site.