| PORT CHÀMHAILL | OS1/33/11/17 |
| PORT CHAMUILL
1- inch Revision Oct. 1894 | OS1/33/11/17 |
| PORT GAINEAMHACH | OS1/33/11/63 |
| PORT NA H-INNSE | OS1/33/11/69 |
| PORT NA H-UAILLE | OS1/33/11/72 |
| PORTNANCON | OS1/33/11/44 |
| PREAS MÒR | OS1/33/11/13 |
| RABBIT ISLANDS | OS1/33/11/58 |
| RÉIDHRUADH | OS1/33/11/91 |
| RIGOLTER
1-inch Revision Oct. 1894 | OS1/33/11/11 |
| RIVER BORGIE | OS1/33/11/89 |
| RIVER DIONARD
1-inch Revision Oct. 1894 | OS1/33/11/12 |
| RIVER HOPE | OS1/33/11/45 |
| RIVER NAVER | OS1/33/11/93 |
| ROADSTEAD | OS1/33/11/43 |
| RUDH AN EICH BHÀIN | OS1/33/11/59 |
| RUDH' A' GHRÙAIDH | OS1/33/11/6 |
| RUDH' A' MHUILT | OS1/33/11/23 |
| RUDH' AN LOISGEIN | OS1/33/11/55 |
| RUDHA DUBH | OS1/33/11/59 |
