The Trinity Monastery of St. Jonas is an Ukrainian Orthodox

Ukrainian Orthodox Church (Moscow Patriarchate)

The Ukrainian Orthodox Church is an autonomous Church of Eastern Orthodoxy in Ukraine, under the ecclesiastic jurisdiction of the Moscow Patriarchate...

 monastery in the Kiev

Kiev

Kiev or Kyiv is the capital and the largest city of Ukraine, located in the north central part of the country on the Dnieper River. The population as of the 2001 census was 2,611,300. However, higher numbers have been cited in the press....

an neighbourhood of Zverinets, a short distance from the medieval Vydubychi Monastery

Vydubychi Monastery

Vydubychi Monastery is an historic monastery in the Ukrainian capital Kiev.The monastery was established between 1070 and 1077 by Vsevolod, son of Yaroslav the Wise...

.

It was Jonas, a Vydubychi hegumen

Hegumen

Hegumen, hegumenos, igumen, or ihumen is the title for the head of a monastery of the Eastern Orthodox Church or Eastern Catholic Churches, similar to the one of abbot. The head of a convent of nuns is called hegumenia or ihumenia . The term means "the one who is in charge", "the leader" in...

, who founded this monastery in 1864. Princess Vasilchikov, the widow of Kiev's Governor General, decided to support the undertaking and presented her dacha

Dacha

Dacha is a Russian word for seasonal or year-round second homes often located in the exurbs of Soviet and post-Soviet cities. Cottages or shacks serving as family's main or only home are not considered dachas, although many purpose-built dachas are recently being converted for year-round residence...

 to the brethren. It was on these grounds that the katholikon

Katholikon

A Katholikon or Catholicon is the major temple of a monastery, or diocese in the Eastern Orthodox Church. The name derives from the fact that it is the largest temple where all gather together to celebrate the major feast days of the liturgical year. At other times, the smaller temples or...

 was constructed. The monastery's bell tower

Bell tower

A bell tower is a tower which contains one or more bells, or which is designed to hold bells, even if it has none. In the European tradition, such a tower most commonly serves as part of a church and contains church bells. When attached to a city hall or other civic building, especially in...

, at 110 meters, was to be the tallest in the Orthodox world. Its construction was halted due to the outbreak of World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

. As many as 800 monks resided there at the time.

The monastery was closed in 1934 and its grounds were taken over by the M.M. Gryshko National Botanical Garden

M.M. Gryshko National Botanical Garden

The M. M. Gryshko National Botanical Garden is located in Kiev, the capital of Ukraine.The M. M. Gryshko National Botanical Garden is a botanical garden of the Academy of Sciences of Ukraine. Founded in 1936, it covers 1.3 km² and contains 13,000 types of trees, shrubs, flowers and other plants...

. The monks of the recently revived monastery now help to restore the nearby Zverinets caves.