Geography left|thumb|Entrance to the Cromarty Firth, with oil rigs behind The entrance to the Cromarty Firth is guarded by two precipitous headlands; the one on the north high and the one on the south high — called "The Sutors" from a fancied resemblance to a couple of shoemakers (in Scots, souters) bent over their lasts. From the Sutors the Firth extends inland in a westerly and then south-westerly direction for a distance of . Excepting between Nigg Bay and Cromarty Bay where it is about wide, and Alness Bay where it is wide, it has an average width of . The southern shore of the Firth is formed by a peninsula known as the Black Isle. Good views of the Cromarty Firth are to be had from the Sutors or Cnoc Fyrish.
Geography left|thumb|Entrance to the Cromarty Firth, with oil rigs behind The entrance to the Cromarty Firth is guarded by two precipitous headlands; the one on the north high and the one on the south high — called "The Sutors" from a fancied resemblance to a couple of shoemakers (in Scots souters) bent over their lasts. From the Sutors the Firth extends inland in a westerly and then south-westerly direction for a distance of . Excepting between Nigg Bay and Cromarty Bay where it is about wide, and Alness Bay where it is wide, it has an average width of . The southern shore of the Firth is formed by a peninsula known as the Black Isle. Good views of the Cromarty Firth are to be had from the Sutors or Cnoc Fyrish.