Hemlock Lake is seven miles (12 km) long, and approximately a half-mile wide along most of its uniform north-south length.

The principal source of water is Hemlock Lake, which, with its watershed, is owned by the city.

Hemlock Lake is one of the minor Finger Lakes.

Over the years Hemlock Lake became populated with over one hundred cottages and five hotels.

In 1876 the gravity fed pipeline connecting Hemlock Lake to The City Rochester was opened.

Hemlock Lake - A minor Finger Lake, forms the west boundary of the town.

None are located at Hemlock Lake because the City of Rochester owns the lake and much of the surrounding property.

The community is located south of Interstate 84, and surrounds its namesake Hemlock Lake.

A small part of Hemlock Lake, one of the smaller Finger Lakes is in the north part of the town.

Hemlock Lake is home to the State's oldest nesting Bald Eagle site, dating back to the early 1960s.