!!!Guam: Geography ||Location|Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines ||Geographic Coordinates|13 28 N, 144 47 E[{GoogleMap location='13.466666,144.78334' zoom='4'}] ||Land boundaries|0 km ||Coastline|125.5 km ||Elevation Extremes|''lowest point: ''Pacific Ocean 0 m\\''highest point: ''Mount Lamlam 406 m ||Highest Mountains| ||Terrain|volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south ||Natural Hazards|frequent squalls during rainy season; relatively rare but potentially destructive typhoons (June to December) ||Natural Resource|aquatic wildlife (supporting tourism), fishing (largely undeveloped) ||Land Use|''arable land: ''1.85%\\''permanent crops: ''16.67%\\''other: ''81.48% (2011) ||Climate|tropical marine; generally warm and humid, moderated by northeast trade winds; dry season (January to June), rainy season (July to December); little seasonal temperature variation ||Irrigated Land|2 sq km (2011) ||Renewable Water Resources|NA ||Environment_CurrentIssues|extirpation of native bird population by the rapid proliferation of the brown tree snake, an exotic, invasive species ||Environment - international agreements|NA ||Large Cities| ||Geography-note|largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean