Aqueduct Lock
Looking south, the lock and the lock-keeper's cottage
51°43′19″N 0°00′51″W / 51.721937°N 0.014299°W / 51.721937; -0.014299
Waterway	River Lee Navigation
County	Hertfordshire Essex
Maintained by	Canal & River Trust
Operation	Manual
Length	85 feet (25.9 m)
Width	16 feet (4.9 m)
Fall	5 feet 6 inches (1.7 m)
Distance to Bow Creek	15.5 miles (24.9 km)
Distance to Hertford Castle Weir	10.8 miles (17.4 km)

Aqueduct Lock (Number 8) is a lock on the River Lee Navigation close to Turnford.

The lock is located in the River Lee Country Park and is adjacent to the Old River Lea and the 180-acre (0.73 km²) Holyfield Lake which incorporates part of the River Lee Flood Relief Channel

The aqueduct above the lock carries the Small River Lea under the Navigation, which flows from the nearby Old River Lea.

Vehicular access at Wharf Road, Wormley car park.

Pedestrian and cycles via the towpath which forms part of the Lea Valley Walk.

• Broxbourne railway station
• Cheshunt railway station
• Bus timetables

• Holyfield Lake
• Aqueduct Lock-a history