Koogi, Harju County

The Jõelähtme River (Estonian: Raasiku jõgi or Jõelehtme jõgi) is an Estonian river in Harju County. The river starts in Rasivere (Anija Parish) and discharges into the Jägala River in Jõelähtme Parish, only 100 m (330 ft) after Jägala Falls. The length of the river is 49.2 km.The Jõelähtme River is one of the most significant subterranean rivers in Estonia; it flows underground through the Kostivere karst area for 2.5 km.

Jägala Falls (Estonian: Jägala juga; English: ) is a waterfall in northern Estonia on the Jägala River. It is the largest natural waterfall in Estonia, with a width of about 50 meters (160 ft) and a height of about 8 meters (26 ft). Jägala Falls is located in Koogi in Harju County. Jägala Falls is located in Koogi in Harju County. Jägala Falls is also the most powerful waterfall in Estonia, cascading 12.8 cubic meters per second (450 cu ft/s) of water. It can even reach 200 cubic meters per second (7,100 cu ft/s) during spring in high water periods, and it freezes over in the winter.

Koila is a village in Jõelähtme Parish, Harju County in northern Estonia. It's lies on the left bank of the Jägala River.

Jägala-Joa is a village in Jõelähtme Parish, Harju County in northern Estonia. It's lies on the right bank of the Jägala River.

Jõesuu is a village in Jõelähtme Parish, Harju County in northern Estonia. It is located on the around the mouth of the Jägala River to the Ihasalu Bay (part of the Gulf of Finland), north of Jägala Falls.

Jõelähtme (German: Jegelecht) is a village in Jõelähtme Parish, Harju County, northern Estonia.

Jõelähtme Parish (Estonian: Jõelähtme vald) is a municipality in Estonia. It was established in 1992 and is administratively part of the Harju County, in northwestern Estonia. The parish has a population of 6,969 and an area of 210.86 km2 (81.41 sq mi), the population density is 25.3770/km2 (65.726/sq mi)The administrative centre of Jõelähtme Parish is Jõelähtme village. It is located 20 km east from the centre of Estonia's capital, Tallinn.

Parasmäe is a village in Jõelähtme Parish, Harju County in northern Estonia.

Manniva is a village in Jõelähtme Parish, Harju County in northern Estonia. It's located west of the mouth of the Jägala River to the Ihasalu Bay (part of the Gulf of Finland), and about 7 km (4 mi) east of the town of Maardu. Manniva had a population of 39 in 2001, 47 in 2009, and as of 2011, 66 people lived in the village.

The Jägala is a 98.8 km (61.4 mi)-long river in northern Estonia that flows into the Gulf of Finland in Jõesuu, Harju County. The river runs mostly northwest and through Järva and Harju counties. Jägala Falls, the highest waterfall in Estonia, is located on the river. Several reservoirs are located on the river. The Kehra pulp mill is located on the left bank of the river. The river is part of the Tallinn water supply system. The basin area of the river is 1,481.3 km2 (571.9 sq mi).The river contains populations of trout and grayling.