!23s4
!23s4
is a Marker place
on the River Ouse : Yorkshire (non-tidal section) between
Swale Nab (Junction of Rivers Ure, Swale and Ouse (Yorkshire)) (½ furlongs
to the northwest) and
Lower Dunsforth (7¼ furlongs
to the southeast).
Mooring here is unrated.
| Swale Nab | ½ furlongs | |
| Marker place "!23s4" | ||
| Marker place "!23s5" | 1¼ furlongs | |
| Marker place "!23s6" | 2¼ furlongs | |
| Marker place "!23s7" | 3 furlongs | |
| Marker place "!23s8" | 3¾ furlongs | |
| Marker place "!2349" | 4 furlongs | |