Entry No. 46 — the Missoula file — filed under: history
Daly Mansion
The 24,000-square-foot summer home of copper baron Marcus Daly, frozen as a quirky historic-house museum in the Bitterroot Valley. Guided tours wind through period rooms and the eccentric private world of one of Montana's richest Gilded Age families. Guided-tour availability depends on volunteer guides, and self-guided slots are offered on a set schedule, so timing matters.
The story
When Marcus Daly—one of Montana’s fierce Copper Kings and the founder of Hamilton—set out to build a summer retreat in the Bitterroot Valley, modesty was never part of the blueprint. Completed in 1910 by famed Missoula architect A.J. Gibson, the 24,000-square-foot estate sits like a massive Gilded Age monument dropped squarely into quiet timber and agricultural country.
Now state-owned and maintained by the Daly Mansion Preservation Trust alongside the University of Montana, the estate has undergone continuous restoration since 1986. Instead of feeling like a sanitized museum, the period-furnished rooms retain an eerie, preserved intimacy—as if the family simply stepped out for an afternoon walk standard for turn-of-the-century industrial tycoons.
What it's like
Pulling up to 251 Eastside Highway, the sheer scale of the white mansion against the valley backdrop sets the tone. Inside, guided tours led by volunteer docents weave through the maze of historic rooms, but timing is everything here: tour availability hinges on volunteer scheduling, so missing your slot means relying on the self-guided audio tour options instead. Book an 11:00 AM tour, take in the floor-to-ceiling historical details, and leave extra time to stroll the sprawling green grounds before heading into downtown Hamilton.
The move: Book an 11am guided tour, then stroll the mansion grounds and head into Hamilton for lunch in the Bitterroot Valley.
- 📍 Hamilton
- 💸 $
- ⚡ Up for anything
- 🌗 Indoors
Where: 251 Eastside Hwy, Hamilton, MT 59840
Hours: Added 2026-06-24 — confirm current hours before you go.
⚠ Seasonal or scheduled — always check before you go.
Pair it with
- Lisa Tate Glass — Break up your drive down Highway 93 into the Bitterroot Valley by visiting a working glass studio in Florence before reaching the mansion.
- The Keep Restaurant (former Greenough Mansion) — Compare Marcus Daly's estate with another historic turn-of-the-century footprint back in Missoula at this restaurant built on the former Greenough Mansion foundation.
- The Jack Saloon — Contrast Gilded Age industrial luxury with a drink inside a rustic cedar log saloon tucked in the timber off Highway 12.
Good to know
Do I need to take a guided tour to see the interior?
Not necessarily. While volunteer-led guided tours offer in-depth room access, self-guided audio tours are also available on set schedules if you prefer to explore at your own pace.
Is the mansion wheel-chair accessible?
Yes, the Daly Mansion property is ADA-compliant.
Who owns and manages the Daly Mansion?
It is a state-owned property managed by the Daly Mansion Preservation Trust in partnership with the University of Montana.
How far is the mansion from Missoula?
It is located about 45 to 50 miles south of Missoula in Hamilton, MT, making it an easy day trip straight down the Bitterroot Valley.
Plan a visit & invite your people →
Further reading: Official site · visitbitterrootvalley.com · savingplaces.org
last checked: 2026-06-24