East End in Boise in Ada County, Idaho — The American West (Mountains)

Sally Port

Photographed by Douglass Halvorsen, June 26, 2023

1. Sally Port Marker

Inscription. Added in 1931 to help move goods and inmates in and out of the facility. All incoming and outgoing vehicles were locked in the sally port and thoroughly searched before being allowed to proceed.

Topics. This historical marker is listed in this topic list: Man-Made Features. A significant historical year for this entry is 1931.

Location. 43° 36.171′ N, 116° 9.733′ W. Marker is in Boise, Idaho, in Ada County. It is in East End. It is on Old Penitentiary Road, on the right when traveling east. Touch for map. Marker is at or near this postal address: 2445 Old Penitentiary Rd, Boise ID 83712, United States of America. Touch for directions.

Regionally, this marker is on Idaho’s Snake River Plain.

It is also in the American Mountain West.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Other nearby markers. At least 8 other markers are within 2 miles of this marker, measured as the crow flies: Bishops’ House (within shouting distance of this marker); Trusty Dorm (within shouting distance of this marker); Idaho State Penitentiary (within shouting distance of this marker);

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Women’s Ward (within shouting distance of this marker); Warden’s House (within shouting distance of this marker); Robin Harviel (approx. 1.3 miles away); Children’s Home Society of Idaho (approx. 1.3 miles away); a different marker also named Children’s Home Society of Idaho (approx. 1.3 miles away). Touch for a list and map of all markers in Boise.

Regarding Sally Port. This structure resides within the Old Idaho State Penitentiary historic district, a former prison complex, that was listed in the National Register of Historic Places in 1974.

Photographed by Douglass Halvorsen, June 26, 2023

2. Sally Port Marker

Photographed by Douglass Halvorsen, June 26, 2023

3. Sally Port Marker

Double Interlocking Safety Gates
Erected 1931 For
Idaho State Penitentiary
R.E. Thomas, Warden
by Baxter Foundry & Machine Works
Boise, Idaho

Photographed by Douglass Halvorsen, June 26, 2023

4. Sally Port

Credits. This page was last revised on March 4, 2025. It was originally submitted on March 4, 2025, by Douglass Halvorsen of Klamath Falls, Oregon. This page has been viewed 186 times since then and 50 times this year. Photos: 1, 2, 3, 4. submitted on March 4, 2025, by Douglass Halvorsen of Klamath Falls, Oregon. • J. Makali Bruton was the editor who published this page.