the byam martin mountains are a rugged mountain range extending east to west across bylot island, nunavut, canada. it is one of the most northern ranges in the world and is an extension of the baffin mountains which in turn form part of the arctic cordillera mountain system. the highest mountain in the range is angilaaq mountain, , located near the island's center. sharp peaks and ridges, divided by deep glacier-filled valleys are typical features in the range and has been extensively modified by glacial erosion. the byam martin mountains have not been conducive to habitation. while there are no permanent settlements in the byam martin mountains, inuit from pond inlet and elsewhere regularly travel to the range.