# Twenty Mile House (Pine Grove post office)

- URL: https://palmerdivideresearch.com/places/twenty-mile-house-pine-grove-post-office/
- Also known as: 20 Mile House; Pine Grove; Parker
- Kind: Post offices and stage stations
- Status: Historic or vanished
- County: Douglas County, Colorado
- Point: 39.5188, -104.7678 (from a cited description (good to a quarter mile))

- Updated: 2026-10-07

## What we know

The Pine Grove post office, applied for in July 1863 'on the bank of Cherry Creek,' established Dec. 8, 1870, with the local name '20 Mile House' (1871), NW1/4 Sec. 22, T6S R66W; discontinued Nov. 1877, re-established Dec. 18, 1877 with James S. Parker as postmaster, and renamed Parker on March 17, 1882 (Bauer, via S-0123). Nelson and Susan Doud owned the 20-Mile House in 1870. The society's Earth map marks the Twenty Mile House stage stop here.

## Where it was

Pin on the Douglas County Historic Resource Map (DCHR-161, S-0123), placed from Bauer's quarter-section description. Good to about a quarter mile.

Placed from a written description, such as a land section, a distance from a landmark or an old survey note.

## Sources

- S-0044: https://palmerdivideresearch.com/sources/#s-0044
- S-0123: https://palmerdivideresearch.com/sources/#s-0123

## Nearby

- [Pine Grove School (Parker)](https://palmerdivideresearch.com/places/pine-grove-school-parker/): 0.1 mi south
- [Pine Ridge Grange No. 199](https://palmerdivideresearch.com/places/pine-ridge-grange-no-199/): 0.1 mi south
- [Parker Cemetery](https://palmerdivideresearch.com/places/parker-cemetery/): 0.2 mi north
- [Ave Maria Catholic Church (Parker)](https://palmerdivideresearch.com/places/ave-maria-catholic-church-parker/): 0.3 mi east
- [Parker](https://palmerdivideresearch.com/places/parker/): 0.3 mi east
- [Parker depot (Denver & New Orleans)](https://palmerdivideresearch.com/places/parker-depot-denver-and-new-orleans/): 0.3 mi east

Source numbers (S-0000) refer to https://palmerdivideresearch.com/sources/. Compiled by Michael Christensen for Palmer Divide Research; CC BY 4.0.