<P> Work began on the Olmos Dam and bypass channel in 1926 ; however , the San Antonio Conservation Society successfully protested the paved sewer option . No major plans came into play until 1929 , when San Antonio native and architect Robert Hugman submitted his plans for what would become the River Walk . Although many have been involved in development of the site , the leadership of former mayor Jack White was instrumental in passage of a bond issue that raised funds to empower the 1938 `` San Antonio River Beautification Project '' , which began the evolution of the site into the present 2.5 - mile - long ( 4 km ) River Walk . </P>
<P> Work began on the Olmos Dam and bypass channel in 1926 ; however , the San Antonio Conservation Society successfully protested the paved sewer option . No major plans came into play until 1929 , when San Antonio native and architect Robert Hugman submitted his plans for what would become the River Walk . Although many have been involved in development of the site , the leadership of former mayor Jack White was instrumental in passage of a bond issue that raised funds to empower the 1938 `` San Antonio River Beautification Project '' , which began the evolution of the site into the present 2.5 - mile - long ( 4 km ) River Walk . </P>
what is the length of the riverwalk in san antonio
what is the length of the riverwalk in san antonio
2.5 - mile - long ( 4 km )
2.5 - mile - long ( 4 km )