- Sussex County formed in 1753.
- Named after Sussex, England.
- County seat is Newton.
- Located in northwestern New Jersey.
- Borders New York and Pennsylvania.
- New Jersey’s northernmost county.
- Population exceeds 140,000 residents.
- High Point State Park contains New Jersey’s highest elevation.
- High Point Monument honors war veterans.
- Appalachian Trail crosses the county.
- Delaware Water Gap extends into Sussex County.
- Lake Hopatcong partially lies within Sussex County.
- Branchville is the county’s oldest borough.
- Dairy farming remains economically important.
- Tourism supports the local economy.
- Many lakes attract boaters and anglers.
- Skiing is popular during winter.
- Mountain Creek Resort offers skiing and waterpark attractions.
- Forests cover much of the county.
- Black bears commonly inhabit the region.
- Home to scenic mountains and valleys.