Manzanita Lake Naturalist's Services Historic District
Why it's listed
Manzanita Lake, the first developed area visitors meet at the Northwest Entrance of Lassen Volcanic National Park, has served since the late 1920s as the center of the park's interpretive program. The district brings together the stone Loomis Museum, built by Benjamin Loomis in 1927 and donated to the National Park Service in 1929, a small seismograph building with embedded obsidian, the Loomis residence and studio, and the naturalist's residence and garage completed in 1934. Manzanita and Reflection lakes and a trail system finished in 1936 and resurfaced in 1946 were used for talks and guided walks on the area's flora and volcanic geology. The buildings follow Italian Renaissance and NPS Rustic styles, with native stone prominent. Although the lodge, cabins and original campground have been removed, the naturalist's services infrastructure remains largely intact, which supports the district's listing.
Significance in brief: The district is the primary stage and backdrop of the park's interpretive program from the late 1920s onward. It keeps the museum, seismograph building, naturalist's residence, trails and lakes that formed an integrated system for teaching visitors about volcanic geology and natural history. The buildings show Italian Renaissance and NPS Rustic design.
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 06000525, listed June 23, 2006. Summary generated October 2026 (model claude-sonnet-5-5, prompt v1.0-2026-10-29, confidence medium).
Key facts
| Address | 39489 CA 44, Shingletown |
|---|---|
| County | Shasta County |
| Listed | June 23, 2006 |
| Reference number | 06000525 |
| Resource type | District |
| Architect / builder | Loomis Museum built by Benjamin Loomis (1927); Manzanita Lake dam built by H. H. Noble and the Northern California Power Company (1911) |
| Architectural style | Italian Renaissance; NPS Rustic |
| Areas of significance | Entertainment/Recreation, Science, Conservation, Architecture |
| Level of significance | State |
| Status (as stated in the nomination) | Many former lodge, campground and housing facilities have been removed, but the interpretive system is largely intact; only the Manzanita Lake Campfire Circle has been lost. The Loomis residence is used for park administration. |
| Acreage | 85 |
| Within district | Lassen Volcanic National Park Highway Historic District |
| Coordinates | 40.53535, -121.56243 (NPS GIS) |
What listing means for this property
This is a historic district. Buildings within its boundary are either contributing (they add to the district's significance) or non-contributing. Owners of contributing income-producing buildings can claim the 20% federal rehabilitation tax credit; homeowners should look at state credits. National Register districts impose no design review by themselves; a local historic district ordinance, if one exists, does (the difference explained).
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 06000525.
- Nomination form (PDF, National Archives) — catalog entry
- Wikipedia article (used for cross-checking only; text not reproduced here)
- Wikidata Q2219235
- This listing as JSON
Last updated October 2026. Found an error? See the editorial policy for how to report it.