Marias Pass References Marias Pass mountain pass, North America Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Lewis RangeMarias Pass (5,216 feet [1,590 m]) is crossed by rail and highway. Tourism is promoted in the park area, but development in the southern portions of the range is restricted by their inaccessibility. Read MoreMarias Pass (5,216 feet [1,590 m]) is crossed by rail and highway. Tourism is promoted in the park area, but development in the southern portions of the range is restricted by their inaccessibility. Read More