• Gable Mountain 2823 m
• Galehead Mountain 1226 m
• Gallatin Peak 3357 m
• Gannett Peak 4207 m
• Gareloi 1573 m
• Garfield Peak (Wyoming) 2513 m
• Gearhart Mountain 2549 m
• Gee Point 1516 m
• Geronimo volcanic field 2300 m
• Giant Mountain 1410 m
• Gilbert Mountain 2445 m
• Gilbert Peak 4097 m
• Glacier Peak 3213 m
• Glass Mountain (California) 3392 m
• Glastenbury Mountain 1142 m
• Goat Haunt Mountain 2634 m
• Goat Island Mountain 2221 m
• Goat Mountain 2690 m
• Goat Peak 2079 m
• Goat Rocks 2494 m
• Going-to-the-Sun Mountain 2939 m
• Gold Hill 3876 m
• Golden Horn 2550 m
• Golden Trout Creek 2886 m
• Goode Mountain 2804 m
• Goose Eye Mountain 1180 m
• Gore Mountain (New York) 1090 m
• Gore Mountain (Vermont) 1016 m
• Gothic Peak 1894 m
• Gothics 1443 m
• Graham Mountain (New York) 1179 m
• Grand Teton 4197 m
• Grandfather Mountain 1818 m
• Grandmother Mountain (North Carolina) 1403 m
• Granite Chief 2746 m
• Granite Mountain 1716 m
• Granite Mountain (Arizona) 2324 m
• Granite Peak (Montana) 3901 m
• Granite Peak (Trinity County, California) 2466 m
• Grassy Ridge Bald 1844 m
• Gray Peak (New York) 1471 m
• Gray Peak (Wyoming) 3139 m
• Gray Wolf Mountain 4146 m
• Gray Wolf Ridge 2200 m
• Graybeard Peak 2428 m
• Grays Peak 4350 m
• Great North Mountain 1004 m
• Great Sitkin 1740 m
• Green Lakes Mountain 3121 m
• Greenhorn Mountain 3763 m
• Greenleaf Peak 1044 m
• Gregory Bald 1508 m
• Greys Peak 3254 m
• Griffin Mountain 1610 m
• Griffith Peak 3371 m
• Grindstone Mountain 2296 m
• Grizzly Mountain (Crook County, Oregon) 1716 m
• Grizzly Mountain (Montana) 2764 m
• Grizzly Peak 4264 m
• Grizzly Peak 1804 m
• Grizzly Peak (Yosemite) 1896 m
• Grouse Mountain (California) 2616 m
• Gu Achi Peak 1389 m
• Guadalupe Peak 2667 m
• Gunsight Mountain (Montana) 2822 m
• Guye Peak 1575 m