In the
southern part of the Western Ghats of Kerala and encompasses steep and
hilly terrain, the reserve's main distinction is a large reservoir
created by an over 100-years-old dam on Periyar river after which the
area is named.
The
surrounding slopes are densely wooded but grassy areas at the waters'
edge are where animals come to graze. In the restricted areas on can go
on foot which makes bird-watching highly enjoyable. Otherwise, entry to
Periyar is by boat on the reservoir. Dry trees provide perches for
cormorants and darters. A view of elephants and otters is possible on
the lake. Sambar, wild boar, barking deer and gaur can be seen grazing
or drinking at the waters' edge. Nilgai, langur, bonnet macaques and the
Malabar giant squirrel may be seen at close quarters near the entrance.
Nilgiri tahr and the lion-tailed macaque are also seen here.
