Summary
This is a trip of 19 miles, 7 furlongs and 15 locks from Hertford Union Top Lock No 1 to Stanstead Marina.
This will take 9 hours and 59 minutes which is 1 day, 2 hours and 59 minutes at 7 hours per day.
From Hertford Union Top Lock No 1 travel northeast on the Grand Union Canal (Hertford Union Canal) for 3¼ furlongs and 2 locks to Hertford Union Canal Junction, then travel north on the Lee and Stort Navigation (River Lee: commercial section) for 11 miles, ¾ furlongs and 7 locks to Waltham Town Lock No 11, then travel north on the Lee and Stort Navigation (River Lee) for 8 miles, 2¾ furlongs and 6 locks to Stanstead Marina.
Route
|  Grand Union Canal (Hertford Union Canal) | 
| From Hertford Union Top Lock No 1 (Also known as Old Ford Upper Lock, Homerton Footpath Lock) to: | 
 | 
Hertford Union Canal Junction
 Junction of Hertford Union Canal and River Lee 
 | 
3¼ furlongs, 2 locks | 
 | 
|  Lee and Stort Navigation (River Lee: commercial section) | 
| From Hertford Union Canal Junction (Junction of Hertford Union Canal and River Lee) to: | 
 | 
Tottenham Lock No 17 [see navigational note 1 below]
 BW key needed to operate lock 
 | 
4 miles, ¾ furlongs, 0 locks | 
 | 
 | 
Enfield Lock No 13
 BW key needed to operate the gates / windlass for the paddles 
 | 
5 miles, 4½ furlongs, 4 locks | 
 | 
 | 
Waltham Town Lock No 11 | 
1 mile, 3½ furlongs, 3 locks | 
 | 
|  Lee and Stort Navigation (River Lee) | 
| From Waltham Town Lock No 11 to: | 
 | 
Rye House Junction
 Junction of Rivers Stort and Lee 
 | 
6 miles, 5½ furlongs, 6 locks | 
 | 
 | 
Rye House Bridge No 58
 With Pipe Bridge alongside 
 | 
4 furlongs, 0 locks | 
 | 
 | 
Stanstead Marina
 Also known as Lee Valley Marina Stanstead Abbots 
 | 
1 mile, 1¼ furlongs, 0 locks | 
 | 
Totals
Total distance is 19 miles, 7 furlongs and 15 locks (not counting Hertford Union Top Lock No 1) Today’s travel includes at least 1 small aqueduct or underbridge.
This is made up of 3¼ furlongs of broad canals; 11 miles, ¾ furlongs of commercial waterways; 8 miles, 2¾ furlongs of small rivers; 8 broad locks; 7 large locks.
This will take 9 hours, 59 minutes which is 1 day, 2 hours and 59 minutes at 7 hours per day. For initial calculation purposes (before adjusting for such things as overnight stops) this is taken as 1 day of 9 hours and 59 minutes.
The trip can be done in under one day, so no overnight stopping places have been calculated.
 
