Vast rugged plateau in north-central Ethiopia, ~500,000 km² (193,000 sq mi), average elevation 2,500 m (8,200 ft). Highest peak: Ras Dashen (4,550 m / 14,931 ft). Divided into northern (deep gorges, steep mountains) and southern (rolling, more lakes/wetlands) highlands.
Cool, temperate (~16°C / 61°F annual average). Moderate rainfall year-round; heavy wet season June–September with flooding risk.
Lower slopes: dense forests. Higher slopes: grasslands, moorlands. Endemic species: Ethiopian wolf, gelada monkey, giant lobelia.
Home to Amhara (~30%), Tigray (~25%), Oromo (~20%). Primarily agricultural (teff, wheat, barley) and livestock raising.
Region of great natural beauty, cultural diversity, and historic sites (Lalibela's rock-hewn churches, ancient Aksum).