There are 13 locks in total on the Macclesfield Canal this includes the 12 locks at the Bosley Lock Flight and a single stop lock at hall green where the Macclesfield Canal and Trent & Mersey Canals meet. If you do an out-and-back route you'll work a lock a total of 26 times, 13 times on the way out and 13 times on the way back.