Lower Valley is an unincorporated community located along County Route 513 (High Bridge-Califon Road) in Califon Borough and Lebanon Township of Hunterdon County, New Jersey.

[5] By the late 19th century, the community had a church, schoolhouse, post office, and about a dozen houses.

[6] The post office was started in 1866, but renamed and moved to Califon in 1877.

[7] In 1918, parts of the community, including the church and cemetery, were incorporated into the Borough of Califon.

[4][9] The congregation was formally established in 1872 and included many members of the Presbyterian Church at German Valley.