Located in Zilker Park just south of Town Lake and east of MoPac (loop 1), Zilker Botanical Garden is easy to reach from both MoPac and I-35. Driving directions:

FROM MOPAC (LOOP 1):
take the exit for FM 2244 / Rollingwood, following the signs for Zilker Park. Watch for the dark green Zilker Botanical Garden signs. The garden is on the left at 2220 Barton Springs Drive.

FROM INTERSTATE 35:
take the Riverside Drive exit and go west. At Barton Springs Drive, turn left and follow it along until you reach Zilker Botanical Garden on your right, just past Stratford Drive.

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