The largest and most elegant building of the Trinity-St Sergius of Radonezh is the church with a refectory. The length of the wall of the building - 82 m and the total area - 500 sq.m. There can accommodate 300-400 people. Like many other buildings of the monastery, St. Sergius Church was built by order of Peter I in the years 1686-1692 thanks to Laura for saving the royal family. Shortly before the construction of the monastery were repaid in a riot musketeers, and Peter the Great proclaimed king.

Church of St. Sergius was consecrated in the year of the 300th anniversary of the finding of the relics of Abbot. Temple - besstolpny, two tiers of windows, with large windows and three semicircular apses. Earlier on the second floor of the monastery kept the manuscript. Current carved gilded iconostasis replaced the former here in 1948, having moved from the Moscow Church of St. Nicholas the Grand Cross. The interior of the church impresses with its splendor: gold and vyserebrennymi numerous sculptural cartouches.

The great era of the vaulted refectory, devoid of additional supports, richly decorated. The walls of the building is decorated with three-colored painting of "chess" blue, red and green. Only the church apse protruding change the blue color to white, which further emphasizes the relief pattern. Incidentally, patterns and reliefs are everywhere. Master decorators have tried to decorate every centimeter of the majestic grand buildings semicircular shells, columns, overgrown with vines, carved columns, framing large windows. Above each window - the icon inserted into the bizarre patterned pediment. Even the door handles forged with stamped pattern catches the eye: a lion mask held in the teeth of the metal rings.

The entire building is surrounded by a wide gallery, called the promenade leading up to the room a large refectory. At the main entrance to the chamber is ornately engraved text, reporting that Sergius Refectory temple and consecrated by His Holiness Patriarch Adrian in July 1692 in the presence of "all the sovereign's home." High podkletny floor at one time was used for storage of food supplies, there is a kitchen and dined pilgrims. Collegiate trapeznichat brothers in a small house, located on the second floor and adjacent to the main building on the south side.

Finishing the interior dining room, which we can see now, made by order of Catherine II. For the painting of the church and the chambers he was invited painter N. Yanovsky. However, in the XIX century interior paintings have repeatedly changed. Paul Refectory of the bars is red-brown jasper.

Such holidays Chamber more like a palace than a monastic buildings and was intended for ceremonial receptions and dinners. In the XX century there were churches of the Russian Orthodox Church.

In 1956, the Refectory gained two consecrated chapel to the south and north sides: in honor of St. Seraphim of Sarov and Saint Joasaph of Belgorod. In winter, the temple being the main services of the Holy Monastery.

The entire building is located on the slope of a hill Makovetskiy. It creates conditions for intensive care of the building, t. To. Fir piles scored in the construction, decay, and refectory moves, acquiring new cracks. Open Gallery, thanks to the local climate, too, is constantly destroyed and requires restoration.