A short walk from the Hilton Palacio del Rio, maybe 10 minutes, max.
It's worth the trip. The shrimp Paesanos is delicious
It is near the Hyatt regency at the bend of the river. Close to hard Rock Cafe.
I am not sure how far it is from the Hilton. I used Google Maps and it was a 15 minute walk from The Hotel Indigo off of St. Mary's.
I would call them for the best directions or check with the front desk of your hotel they should be able to help
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