One of the largest monasteries in the region was located in the northwest of Orenburg, in the village of Tally, now in the Grachevsky district. It was founded by the widow of artillery captain Anna Ivanovna Putilova. Thanks to her care and donations, the first monasteries were established in the Buzuluk and Buguruslan districts: women's communities and men's monasteries. Settling in Klyuchegorye, Anna Ivanovna organized a parish in 1845, and in 1847 a wooden church was consecrated in honor of the Kazan Icon of the Mother of God opposite her estate.

In 1854, an unusual event occurred in Klyuchegorye: an icon of Saint Nicholas the Wonderworker was found in the thickets of a tamarisk. Putilova built a chapel at this site. In 1861, on the day of the Annunciation of the Most Holy Theotokos, at her request, the Klyuchegorye Bogoroditskaya community was officially opened, which took on a monastic form. To manage the community, Anna Ivanovna used the rules of the Spaso-Borodinsky Monastery. She paid special attention to order, piety, and adherence to monastic rules: a common meal was established, daily readings of morning prayers, midnight office, matins with akathists, liturgy, and evening prayers with canons and prayers for the living and the dead were conducted. During meals, the lives of the saints were read. On Sundays and holidays, the remaining time after services was dedicated to reading the Holy Scriptures and spiritual books.

The events of 1917 inflicted severe wounds on Orthodox Russia. Monks faced persecution. In 1923, the last abbess of the monastery, Igumenia Yermionia II, was shot through the window of her cell. The monastery was handed over to the state farm 'Comintern', and the Kazan and Smolensk churches, both Nicholas churches, and the chapel were demolished. Only the two-story brick building of the refectory of the Seraphim Church survived. Three monastery buildings without roofs and windows still demonstrate the strength of the ancient brick. Part of the abbot's building and a cellar-vegetable store leading to the Nicholas Cathedral have survived. A part of the brick fence of the monastery with a house at the eastern gate has partially survived. The monastery garden bears fruit, although it is being overshadowed by a maple.

Under the guidance of Hieromonk Valentin, the monastery is being revived. Members of the local Kazan-Bogoroditsky parish are cleaning the territory, arranging the house church and cells in one of the surviving buildings, and cross markers have been installed. The reviving monastery awaits its first inhabitants.