Cerro Memby, Mountain peak in Yby Yaú, Paraguay.

Cerro Memby is a hill or summit in the municipality of Yby Yaú, Concepción department, Paraguay, reaching 325 m above sea level as part of the Sierras de San Luís group of elevations. It lies 12 km east of the urban centre of Yby Yaú and is visible from Route 5 "General Bernardino Caballero". The "Cerro Memby" colony, settled by people from the rural area of the Yby Yaú district, is located there.

Cerro Memby belongs to the Sierras de San Luís group of elevations in the Yby Yaú district of Concepción department. The sources record no founding date or early history for the hill itself; the documented human presence is the rural colony of Cerro Memby, settled by people from the countryside of Yby Yaú. The hill stands 12 km east of the town centre and is visible from Route 5 General Bernardino Caballero.

The name Memby comes from Guaraní, where it means "child" or "offspring", so the hill is known as the "child hill" beside the larger Sierras de San Luís. The colony of Cerro Memby, settled by families from the rural district of Yby Yaú, carries the hill's name and lies within its jurisdiction.

Cerro Memby lies 12 km east of the urban centre of Yby Yaú and is visible from Route 5 "General Bernardino Caballero", which links Concepción and Pedro Juan Caballero. Access is overland through the rural colony of Cerro Memby; the sources describe no marked trail or facilities, so plan the approach from the route and ask locally.

Cerro Memby belongs to the Sierras de San Luís group of elevations, and the same name designates the rural colony of "Cerro Memby" on its slopes, settled by people from the countryside of the Yby Yaú district. The hill stands 12 km east of the town centre and is visible from Route 5 "General Bernardino Caballero".