Not wanting to be outdone by the Fairmont (apparently), the Hilton is proposing an 88 feet log aerial walkway connecting to the convention center:
"Jones|Carter is submitting this project for review by the AULCC. This exhibit is for the design of a walkway spanning between the Hilton Hotel and The Austin Convention Center between Travis County Parcels Nos: 525245 and 191560. Utility locations in this area are needed to place columns and foundations for the walkway. The project will include construction of an 88-ft aerial walkway between the Hilton Hotel and the Austin Convention Center."
ftp://ftp.ci.austin.tx.us/ATD_AULCC/2015/151029/