2 4 2   ft ) ▁long , ▁and ▁the ▁For th ▁Bridge , ▁ 2 , 4 9 8 m ▁( 8 , 1 9 6   ft ) ▁long . ▁R ivers : ▁For th , ▁River ▁Av on , ▁Water ▁of ▁Le ith , ▁River ▁Al mond , ▁River ▁E sk , ▁River ▁Le ven ▁Islands : ▁Bass ▁Rock , ▁Craig le ith , ▁E y eb rough y , ▁F id ra , ▁In ch col m , ▁In ch gar vie , ▁In ch ke ith , ▁In ch m ick ery , ▁Is le ▁of ▁May , ▁Lamb ▁ ▁F irth s ▁on ▁the ▁north ▁coast ▁of ▁Scotland ▁ ▁The ▁Pent land ▁F irth . ▁This ▁is ▁a ▁stra it ▁between ▁the ▁Scottish ▁main land ▁and ▁the ▁Or k ney ▁Islands , ▁and ▁forms ▁a ▁link ▁between ▁the ▁Atlantic ▁Ocean ▁and ▁North ▁Sea . ▁Places : ▁John ▁o ' ▁Gro ats , ▁Can is bay , ▁G ills ▁Bay , ▁R att ar ▁( all ▁Ca ith ness ) ▁Head lands : ▁Br ims ▁N ess , ▁Br ough ▁N ess , ▁D unc ans by ▁Head , ▁Dun net ▁Head ▁Islands : ▁Ho y , ▁Pent land ▁S ker ries , ▁Sw ona , ▁South ▁Ron ald say , ▁South ▁W alls ▁( all ▁generally ▁considered ▁to ▁be ▁part ▁of ▁Or k ney ); ▁St rom a ▁ ▁F irth s ▁in ▁the ▁Northern ▁Is les ▁ ▁The ▁Northern ▁Is les ▁were ▁part ▁of ▁Norway ▁until