This area features a well-developed incised escarpment valley with terrace valleys and broad floodplain features continuous with an extensive drowned meander valley on the Lake Ontario Plain. There is rare Carolinian flora present. The Lake Ontario Plain forest is very poorly represented in existing protected areas.
This area includes the Ball's Falls Conservation Area, and the deep valley at Balls Falls, two escarpment terrace valleys on either side of this valley and the broad, valley mouth, floodplain basin forest at Jordan. This area presents a landscape unit which expresses a wide variety of geomorphological features that are representative of this section of the Niagara Escarpment.
The major feature is the long, well-developed, deep, incised valley of the Twenty Mile Creek which, after cutting across a portion of the Vinemount Moraine atop the escarpment plain, forms a 110 foot high water falls and lower rapids; this permanent creek has formed an indirect valley into the escarpment and into the Whirlpool Terrace.
At the mouth of the valley is a broad floodplain basin with well developed annual alternate stream channelization on scree; this extends to the north towards the drowned meander valley alluvial wetlands of the Jordan Harbour area.
Contiguous with the main valley to the west is a moderately well developed terrace valley and partially buried escarpment face. On its eastern side is a more complex buried escarpment terrace slope and valley terrain.
QEW exit 57, Vineland (Victoria Avenue)
East on South Service Road
At the curve it becomes Marina Blvd. and then Twenty First Street as you head south towards Niagara Escarpment, away from lake
You are now driving above and parallel to the Jordan Harbour, which is the mouth of the Twenty Mile Creek as it flows north in to Lake Ontario underneath the QEW
Continue south along Twenty First Street passing Culp Road and heading down in to the valley
Now you are travelling along the Twenty Mile Creek at the point it is called an Area of Natural Scientific Interest (ANSI)
Watch for snakes, frogs and snapping turtles crossing the road
Right on Main Street in the Village of Jordan, and now you are travelling parallel to the creek on the east side of the valley
Straight through at Regional Road 81/King Street on Ninteenth Street (careful as there are 3 intersections here) and head south up hill of the Escarpment Bench
Right on Glen Road at the stop sign. It follows the edge of the valley way below you, as you head up the Niagara Escarpment
Right on Sixth Avenue and that takes you in to Ball's Falls Conservation Area where the Twenty Mile Creek has two waterfalls and an historic park
Jordan Escarpment Valley/Twenty Valley
Twenty Mile Creek runs through it
Municipality Town of Lincoln
UTM easting 632339
UTM northing 4777664