<P> The River Walk is a successful special - case pedestrian street , one level down from the automobile street . The River Walk winds and loops under bridges as two parallel sidewalks lined with restaurants and shops , connecting the major tourist draws from the Shops at Rivercenter , to the Arneson River Theatre , to Marriage Island , to La Villita , to HemisFair Park , to the Tower Life Building , to the San Antonio Museum of Art , to the Pearl and the city 's five Spanish colonial missions , which have been named a World Heritage Site , including the Alamo . During the annual springtime Fiesta San Antonio , the River Parade features flowery floats that float down the river . </P>
how deep is the riverwalk in san antonio texas
one level down from the automobile street