| Harmony Hill United Methodist Church | |
| Coordinates: | 41.0425°N -74.8814°W |
| Architect: | Thomas Dildine; John W. Earl |
| Added: | September 19, 1977 |
| Refnum: | 77000913 |
| Designated Other1 Name: | New Jersey Register of Historic Places |
| Designated Other1 Abbr: | NJRHP |
| Designated Other1 Link: | New Jersey Register of Historic Places |
| Designated Other1 Date: | June 13, 1977 |
| Designated Other1 Number: | 2632[1] |
| Designated Other1 Num Position: | bottom |
| Designated Other1 Color: |
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Harmony Hill United Methodist Church is a Methodist Episcopal house of worship affiliated with the United Methodist Church and located about one mile north of the village of Stillwater in Stillwater Township of Sussex County, New Jersey, United States. The historic church was listed on both the New Jersey and National Register of Historic Places in 1977.[2]
One of the earliest Methodist congregations organized in both New Jersey and the United States, Harmony Hill Methodist Church was established in 1802 along the Flanders Circuit, a large, nearly 400-mile circuit of several churches in northwestern New Jersey, Southern New York and Pennsylvania that was served by travelling ministers. The congregation met in its early members' barns and homes until the current structure, a wood-frame building, was erected in 1832 - 1833.[3] Its founders were either previously members (including original founders) of the Stillwater Presbyterian Church when that church was affiliated as a joint Lutheran and German Reformed congregation (before 1822), or from descendants of those founders, as the population of Stillwater assimilated from its Palatine German roots to English-oriented American culture.
Harmony Hill Methodist Church Cemetery, where most of the early parishioners are interred, is located adjacent to the church. Several members of the Main, Savercool, Wintermute and descendants of the early families of Stillwater are buried within the cemetery.