Hertford Lock, Navigation lock in Hertford, England
Hertford Lock is a navigation lock on the eastern side of Hartham Common in Hertfordshire. It operates manually and allows boats to move between different water levels on the River Lea.
This lock marks the start of the River Lee Navigation, a waterway system that has supported trade since medieval times. Over the centuries, the lock and transport routes evolved to meet growing economic needs.
The lock and keeper's cottage show how traditional British waterway engineering fits into the English landscape. Visitors can see how this structure remains part of daily life for those who use the river routes.
This site is accessible on foot via the Lea Valley Walk, which winds through the area with straightforward access. Visitors should note that boat operations depend on water conditions, so it is best to check local conditions before visiting.
Many visitors overlook that this lock is the starting point of the entire 26-mile River Lee Navigation system. From this spot, boaters can track their entire journey downstream as the waterways gradually open toward London.
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