Oregon Trail / Glenns Ferry
Three Island Crossing
At Glenns Ferry, Oregon Trail travelers faced the Snake River at one of the route’s most consequential crossing points.
- Category
- Oregon Trail
- Era
- 1840s-1860s
- Coordinates
- 42.9541, -115.3085
- Highway
- I-84
Map
Map locations are for illustrative planning only. Check the original source records, posted signs, land ownership, closures, and current conditions before visiting.
Why It Matters
The place makes the Oregon Trail feel less abstract: here, one decision at the river could change the trip.
Marker record title: Oregon Trail.
- Marker Number
- 198
Source: Idaho Transportation Department Historical Marker Hub. This page summarizes public marker data and adds editorial context.
Nearby records
Other Idaho Points of Interest
Primary source: Idaho Transportation Department Historical Marker Hub.