Tewksbury Township lies in northeastern Hunterdon County, where rolling hills, farms, equestrian properties, woodlands, and historic villages shape the landscape. Oldwick, Mountainville, and other small communities contribute distinct local identities within the township. Interstate 78, Route 517, and county roads connect Tewksbury with Clinton, Califon, Bedminster, and the Somerset and Morris county areas. Hunterdon County occupies west-central New Jersey between the Delaware River and the state’s central transportation corridors. Rolling farmland, wooded ridges, historic villages, river towns, reservoirs, and low-density townships give the county a distinctive rural and small-town character. Together, the setting and local development patterns give Tewksbury Township a recognizable place within Hunterdon County. Residents and local businesses also rely on surrounding communities for schools, shopping, public services, employment, and recreation. Residential areas, civic uses, business activity, open space, and local roads together define the township’s physical and community layout.