[…] in the Countrey of Attica there were as many factions as there were diuerse sorts of the territorie: for the Mountainers were Democraticall; those of the champion countrey, Oligarchical; and they that dwelt neer the sea, desired a middle kind of gouernement […]
Source: wiktionary
He also sent Embassadors to the Mountainers of the Pyrenes, & to the Gaules, to obtaine a quiet passage:
Source: wiktionary
Vossius […] makes the highest MOUNTAIN there not to exceed Ten Furlongs; Which, saith Vossius, it is scarce possible for any one to reach, unless he be a Mountainer born; any other will scarce be able to ascend above Six Furlongs perpendicular;
Source: wiktionary