!3j21
!3j21
is a Marker place
on the Chelmer and Blackwater Navigation between
Heybridge Sea Lock No 13 (End of Navigation and exit to Blackwater estuary) (2¼ furlongs
to the east) and
End of Navigation (Chelmsford) (Limit of navigation) (13 miles and 5¼ furlongs
and 12 locks
to the west).
The nearest place in the direction of End of Navigation (Chelmsford) is Rennie Walk Footbridge;
5¼ furlongs
away.
Mooring here is unrated.
| Colchester Road Bridge | 7¾ furlongs | |
| Rennie Walk Footbridge | 5¼ furlongs | |
| Marker place "!3j26" | 4½ furlongs | |
| Marker place "!3j24" | 3¾ furlongs | |
| Marker place "!3j22" | 1 furlong | |
| Marker place "!3j21" | ||
| Marker place "!3j20" | ¾ furlongs | |
| Marker place "!3j2z" | 1¼ furlongs | |
| Marker place "!3j2y" | 1½ furlongs | |
| Marker place "!3j2x" | 1¾ furlongs | |
| Heybridge Sea Lock No 13 | 2¼ furlongs | |