The most important and noteworthy temple previously male Transfiguration Monastery was his cathedral. The temple is one of the outstanding monuments of architecture and painting of the 16th century.

To date, the Transfiguration Cathedral - the oldest stone building of the monastery. It is known that the construction of the cathedral took place in the period between 1506 and 1516 according to the decree of Basil III - Prince of Moscow. Artel artists was sent from Moscow, although the position was appointed head of the Italian architect, who at one time been building cathedrals in the Moscow Kremlin. The cathedral is located on a strong foundation, and repeats the size of the previously existing on the site of the temple of the 13th century, which was destroyed during a fire in 1501.

Transfiguration Cathedral is a cross-domed three-headed temple chetyrehstolpny equipped pozakomarnym coated, standing on a high basement powerful. On three sides of the building is surrounded by galleries, namely the west and south open bunk, and on the north side - closed bunk, built in the 17th century. The Cathedral has a helmet head, which today is completely gilded, although initially were simply covered with "white German tinned iron." The architectural design of the cathedral can be seen elements of the so-called order system and decorative fragments, indicating that the cathedral has influenced the Renaissance architecture inherent in Italy; to a greater extent for the cathedral characteristic rigor and conciseness, reflecting in Russian architecture of the 16th century.

During the whole period of the Transfiguration Cathedral, he has repeatedly been subjected to a radical restructuring, for which reason its appearance literally transformed beyond recognition. The most ambitious alterations was the work carried out between 1709 and 1717 years, 1768 and 1780, 1811 and 1814 and in 1817. Since 1919, the cathedral was begun restoration work, the most the main and at the same time, the final stage, was the period between 1957 and 1961; all appropriate work was carried out under the supervision of the famous architect - Karaeva EM As a result of all the changes the appearance of the cathedral at Holy Transfiguration Monastery was completely reconstructed.

In the matter of interior decoration of the Transfiguration Cathedral it is important to note that his painting was carried out in the period between 1563 and 1564 years of Yaroslavl and Moscow masters. On this fact the chronicle, which is located in the large round edges on the faces of which are on the west side pillars.

To date, the Transfiguration Cathedral is the only monument in the whole of Russia, who remained in Grozny during the time and that is the exact date of the works, as well as the names of the masters.

Painting of the Cathedral than once updated, for example, in 1780 it was completely written. After a while, it was prescribed using oil paints, which was quite a significant event, because the badly damaged volume composition of the Last Judgment. A small number of murals have been lost in the restructuring of the church, and some of the compositions of the propane. Restoration works of monumental painting continued throughout the 20th century. It is important to note that the work on the cathedral: Bryagin NI Peppers NV Yoockin PI and many others. The last restoration was carried out in 1984-1996, respectively.