Lower Granite Lock and Dam will be starting their winter hours for public dam crossing on Sunday, Sept. 4.
Winter public crossing hours are from 7 a.m. to 5 p.m. daily.
Crossing will be closed for Thanksgiving, Christmas and New Year’s but is expected, at this time, to be open all other federal holidays unless notified in advance.
Please call 1-888-DAMINFO (1-888-326-4636) for the most up to date Dam Crossing Information.
Original source can be found here.