Econlockhatchee River

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Econlockhatchee River
Origin Lake Conlin
north of Holopaw
Mouth St. Johns River
near Puzzle Lake.
Basin countries United States
Length 89 kilometres (55 mi)
Source elevation 20 m (66 ft)

The Econlockhatchee River (Econ River for short) is a 87.7-kilometre-long (54.5 mi)[1] north-flowing blackwater tributary of the St. Johns River that flows through Orange, Seminole, and Osceola counties in Florida. Its name means "River of mounds".[citation needed] It flows through the eastern portion of the Orlando Metropolitan Area (east of State Road 417).

The river flows north from its source, Lake Conlin, through the Econlockhatchee River Swamp (see below) south of State Road 528. Near Oviedo, the tributary Little Econlockhatchee River joins, and the river turns east. The Econlockhatchee joins the St. Johns River near Puzzle Lake. The river's floodplain is forested for its entire length.

Econlockhatchee River Swamp[edit]

The upper course of the river is called the Econlockhatchee River Swamp. Located southeast of Orlando, the swamp is 21 kilometres (13 mi) long, from Lake Conlin to State Road 528. South of State Road 532, the swamp is known as Cat Island Swamp, named after an island near County Road 500A. The river is at its widest (1.6 km) here, bordered by Lake Preston to the west. Seven miles downstream, the river's elevation is 19 metres (62 ft). The Disston Canal joins Lake Mary Jane and Lake Hart to the swamp. Turkey Creek Bay is an arm of the swamp, through which the tributary Turkey Creek flows. North of Wewahootee Road, the Econlockhatchee River leaves the swamp and remains a free-flowing river for the rest of its journey to the St. Johns River.

List of crossings[edit]

Bridge Route Location Coordinates
Snow Hill Road Oviedo 28°40′40″N 81°06′50″W / 28.67778°N 81.11389°W / 28.67778; -81.11389
CR 419 jct.svg County Road 419 Oviedo 28°39′20″N 81°10′12″W / 28.65556°N 81.17000°W / 28.65556; -81.17000
County Road 420 Orlando
Florida 50.svg State Road 50 Bithlo 28°33′55″N 81°09′16″W / 28.56528°N 81.15444°W / 28.56528; -81.15444
Florida 528.svg State Road 528
near Dallas Boulevard
Orlando 28°27′05″N 81°06′28″W / 28.45139°N 81.10778°W / 28.45139; -81.10778
Wewahootee Road Orlando 28°25′29″N 81°07′09″W / 28.42472°N 81.11917°W / 28.42472; -81.11917
Osceola County 532.svg County Road 532 Holopaw 28°16′31″N 81°06′33″W / 28.27528°N 81.10917°W / 28.27528; -81.10917

Photo gallery[edit]

See also[edit]


  1. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed April 21, 2011