Bayhorse
Ghost town · Custer County, Idaho

Bayhorse is a ghost town in Custer County, Idaho, recorded as human settlement in Idaho, United States of America. It is one of 9 former communities in Custer County on the federal names register. That ranks the county 4th among the 36 Idaho counties with a vanished settlement on record.
The U.S. Geological Survey lists Bayhorse as a historical populated place: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 44.3978° N, 114.3120° W.
Key facts
| Elevation | 6,153 ft |
|---|---|
| Nearest living town | Challis, ID |
| Distance to it | 8.5 miles |
| Coordinates | 44.39780, -114.31200 |
What's there now
Bayhorse is no longer a community in its own right. The nearest living town is Challis, ID (population 794), about 8.5 miles away in a straight line, and the site sits at roughly 6,153 feet above sea level. Much of the land around former townsites is private; check access before you visit.
Images

Nearby places
- Garden Cityghost town · Custer County · 8.7 mi
- Crystalghost town · Custer County · 9 mi
- Custerghost town · Custer County · 19 mi
- Bonanzaghost town · Custer County · 20.6 mi
- Cape Hornghost town · Custer County · 42.3 mi
- Sawtooth Cityghost town · Blaine County · 43.5 mi
- White Knobghost town · Custer County · 47.3 mi
- Cliffghost town · Custer County · 47.9 mi
Questions
Where is Bayhorse?
Bayhorse is in Custer County, Idaho, at 44.3978, -114.3120.
How many ghost towns are in Custer County?
Custer County, Idaho has 9 ghost towns on record at Wayfarrow.
- Wikidata — Wikidata item (CC0)
- Wikidata — Wikipedia article (linked as a source; text not used) (CC0)
- U.S. Census Bureau TIGER/Line and ACS — Census Gazetteer + ACS 5-year population (public-domain)
Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.