Fatland
mansion and estate in Audubon, Pennsylvania

Fatland, also known as Fatland Farm, Vaux Hall, Fatland Ford, and most recently, Vaux Hill, is a Greek Revival mansion and estate in Audubon, Pennsylvania. Located on the north side of the Schuylkill River, opposite Valley Forge, the property was part of the Continental Army's 1777–78 winter encampment. On consecutive days in September 1777, its stone farmhouse served as headquarters for General George Washington and British General Sir William Howe.
The farmhouse was demolished about 1843, and the mansion built on its site was completed about 1845. The Wetherill Family owned the property for 121 years—1825 to 1946. A private cemetery contains the graves of some of Fatland's owners, and of Free Quakers who supported the Revolutionary War.
Fatland Farm
The Perkiomen Creek empties in to the Schuylkill River just north of Valley Forge. The river curves in an oxbow and forms a peninsula with the creek. Early settlers called the area the "Fatlands of Egypt" because of its frequent flooding and rich alluvial soil.
James Morgan dammed the creek and built a grist mill and miller's house on the north side of the Perkiomen Peninsula in 1749.
This brief starts where responsible research should: with the source description of “Fatland” as mansion and estate in Audubon, Pennsylvania. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as mansion and estate in Audubon, Pennsylvania. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Apr 23, 2026. The linked authority identifier is Q38252081. Authority coordinates are 40.119, -75.443. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1777, 1843, 1845 and 1825.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Fatland”, its source revision and the description used here.
- Expand the search: follow Fatland primary sources, Fatland archive and Fatland research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Fatland”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Fatland” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.