Garnica (Puerto de).—Lat. 19° 42', long. 100° 51', elev. 2840 m. A mountain pass 46 kilometers by road west of Ciudad Hidalgo; pine and fir forest.
Gregorio (San).—Lat. 19° 25', long. 101° 24', elev. 2200 m. A ranch about 16 kilometers southeast of Pátzcuaro; pine forest.
Guayabo.—Lat. 18° 45', long. 102° 15', elev. 760 m. A village in the Sierra de Coalcomán about 32 kilometers north-northeast of Arteaga; upper limits of arid tropical scrub forest.
Herradero (Barranca de).—Lat. 18° 17', long. 103° 08', elev. 200-250 m. A barranca south of San Pedro Naranjestila in the Sierra de Coalcomán; tropical semi-deciduous forest.
Hidalgo (Ciudad).—Lat. 19° 32', long. 100° 34', elev. 2100 m. A town in the valley of the Río Tuxpan; mesquite-grassland and pine-oak forest.
Higuerita (La).—Lat. 18° 12', long. 103° 06', sea level. A place name on the Pacific coast; sandy beach and arid tropical scrub forest.
Higuertas (Las).—Lat. 18° 39', long. 103° 17', elev. 1600 m. A ranch about 7 hours by mule southwest of Coalcomán; pine-oak forest.
Hondo (Puerto).—Lat. 19° 25', long. 100° 13', elev. 2750 m. A pass in the mountains, 14 kilometers by road east of Zitácuaro (just west of Macho de Agua); pine, oak, and fir forest.
Huancana (La).—Lat. 18° 58', long. 101° 50', elev. 550 m. A village in the Balsas Basin; arid tropical scrub forest.
Huahua (La).—Lat. 18° 12', long. 103° 00', sea level. A small village on the Pacific coast; arid tropical scrub forest and gallery forest along the Arroyo de Huahua.