The silty clay river banks have shrub thickets with some black ash and balsam poplar.

[4] The river enters Long Lake in the northwest and exits the lake in the southeast, heading east, passing over one of two dams and under Ontario Highway 573 at the community of Charlton (in the municipality of Charlton and Dack), then heads under Ontario Highway 560.

The Englehart River Fine Sand Plain and Waterway Provincial Park protects a (nearly) contiguous portions of the Englehart River between Highway 66 and the northwestern part of Long Lake, as well as noncontiguous sections on the southeastern portion of Long Lake.

[4] The park includes, as its name indicates, an area with fine sandy ground moraine till on the west side of the Englehart River.

[3] The river's course through Englehart River Fine Sand Plain and Waterway Provincial Park is in the Cross Lake Fault, the northeast facing escarpment of which is the southwest boundary of the Lake Timiskaming Rift Valley.