Smithsonian Institution Shelter
Also known as: Mount Whitney Summit Shelter; Mount Whitney Shelter
Why it's listed
Perched on the summit plateau of Mount Whitney, the highest peak in the 48 contiguous states, this small stone shelter sits at more than 14,980 feet. Built in 1909 of native granite with concrete mortar, it holds three rooms, measures about 31 by 11 feet, and has a corrugated iron roof riveted to a steel truss frame. The architectural firm Speiden and Speiden designed it. The shelter came out of a collaboration between astronomer W. W. Campbell of Lick Observatory and C. G. Abbot of the Smithsonian Institution, who wanted a base for observing Mars and studying solar radiation from the mountaintop. It was erected in late summer 1909 after the trail was improved enough for pack animals. Scientific use was brief, and hikers later used it as a refuge once modern trails reached the summit in 1930. The National Park Service gained title when Sequoia National Park was enlarged in 1926. Later correspondence argues for crediting builder Gustave F. Marsh.
Significance in brief: It was built to house visiting scientists studying solar radiation from the summit. It is described as a monument to the difficulty of high-altitude research before prolonged human flight was possible. It is considered regionally significant in the field of science.
Machine-generated summary. This summary was generated by a language model from the official nomination document and has not been reviewed line by line by an editor. It may contain errors. Check the source document before relying on any detail. Source: nomination document (PDF) · National Archives catalog entry. NRHP reference 77000119, listed March 8, 1977. Summary generated October 2026 (model claude-sonnet-5-5, prompt v1.0-2026-10-29, confidence medium).
Key facts
| Address | W of Lone Pine in Sequoia National Park, Lone Pine |
|---|---|
| County | Tulare County |
| Listed | March 8, 1977 |
| Reference number | 77000119 |
| Resource type | Building |
| Period of significance | 1900-1999 |
| Architect / builder | Speiden and Speiden (architects) |
| Areas of significance | Science |
| Level of significance | State |
| Status (as stated in the nomination) | Condition listed as good and the property is unoccupied; it received only minor alteration since construction. After the summit trails were completed in 1930, hikers used it as a shelter. |
| Acreage | 0.1 |
| Coordinates | 36.58023, -118.29319 (NPS GIS) |
What listing means for this property
National Register listing is honorary: it recognises significance and does not restrict what a private owner may do without federal money or permits. It unlocks the 20% federal rehabilitation tax credit for income-producing buildings, state credits in many states, and Section 106 review when federal agencies are involved. See what listing means in practice.
General information, not legal or tax advice. Rules change; confirm with your State Historic Preservation Office or a qualified adviser.
Sources and further reading
- National Park Service, National Register of Historic Places database (snapshot May 2026), reference 77000119.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q7545610
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.