The sister of Sayyiduna Abdullah bin Rawahah (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Going out is obligatory upon every grown girl."
Ahmad recorded it, and Abu Ya'la recorded it, adding these words: "on the two Eids."
Al-Tabarani recorded it in al-Mu'jam al-Kabir; its chain contains a female Tabi'i whose name is not mentioned.