Grant-Kohrs Ranch National Historic Site

Quick answers

When is Grant-Kohrs Ranch National Historic Site open?

Usually Mon–Sun 9:00–16:30. Details

When is the best time to visit Grant-Kohrs Ranch National Historic Site?

By typical weather, the best months for a day outdoors here are July, August, and September. Details

When is Grant-Kohrs Ranch National Historic Site open?

• Mon–Sun 9:00–16:30

From 56 published days, 2026-11-07 to 2027-01-01; community-mapped.

About

Entrance / day-use fee applies.

Wide open spaces, the hard-working cowboy, his spirited cow pony, and vast herds of cattle are among the strongest symbols of the American West. Once the headquarters of a 10 million acre cattle empire, Grant-Kohrs Ranch National Historic Site preserves these symbols and commemorates the role of cattlemen in American history.

This park's official page lists: Pet-friendly (leashed), Store / concessions, Visitor center.

When is the best time to visit Grant-Kohrs Ranch National Historic Site?

By typical weather, the best months for a day outdoors here are July, August, and September.

The weather works against it in January, February, March, April, October, November, and December.

The warmest month is July, with average highs near 79°F (26°C); the coolest is December, near 27°F (-3°C).

June is the wettest month, with about 3.3 in (84 mm) of precipitation in a typical June.

Typical weather, 25-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2025). Data from NASA Langley Research Center POWER Project (CC BY 4.0)

Official facts

The Forest Service rates the wildfire hazard potential at Grant-Kohrs Ranch National Historic Site's mapped point very low (2023 map); it rates the ground, not the weather.

The nearest live USGS river gauge to Grant-Kohrs Ranch National Historic Site is Clark Fork At Deer Lodge Mt (12324200), 1.8 km away.

Public access: Restricted access.

Protected area: 1,280 acres (518 ha).

Designation: National Historic Site. Listed as "Grant-Kohrs Ranch National Historic Site" in the Protected Areas Database of the United States. Protection: no known protection mandate (GAP 4).

Established: 1972.

Managed by: NPS.

Critical habitat: Bull Trout (threatened). Salvelinus confluentus. Endangered Species Act critical habitat (final rule published 2010-10-18, 75 FR 63898), mapped at or near this park.

River or stream: Clark Fork. Mapped at or near this park in the USGS National Hydrography Dataset.

U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1 · U.S. Fish and Wildlife Service, Endangered Species Act critical habitat (FWS HQ ES Critical Habitat) · U.S. Geological Survey, National Hydrography Dataset (The National Map) · U.S. Geological Survey, National Water Information System · Dillon, Gregory K. 2023. Wildfire Hazard Potential for the United States (270-m), version 2023. 4th Edition. Forest Service Research Data Archive

At the park

• Grant-Kohrs Ranch National Historic Site exhibit
• Wildlife & bird watching scenic feature

Shows and experiences

• Bielenberg Barn
• Buggy Shred
• Bunkhouse Row
• Chicken Coop
• Dairy
• Draft Horse Barn
• Garage/Blacksmith Shop
• Granary
• Ice House/Tack Room
• Leeds Lion Barn
• Ranch House
• Sheds
• Thouroughbred Barn
• Warren Barn
• Warren House
• Historic sites & museum
• Junior Ranger program
• Ranger & guided programs

Events

• Holiday Open House Dec 6, 2026 · 01:00 PM–04:00 PM

Before you go

Limits

Dogs are allowed only in the main parking lot and need to be on a leash no longer than 6'

Getting there

Arriving from the east: Take Interstate 90, exit 187. Drive through town, approximately 2.5 miles. Turn left onto Grant Circle and enter the park. Arriving from the west: Take Interstate 90, exit 184. Turn right. Drive approximately 3/4 of a mile. Turn right on to Grant Circle and enter the park.

Weather & when to go

Spring: Temperatures can fluctuate greatly. Sub-freezing temperatures in the morning can give way to mild days. Snow in early spring, rain in late season. Summer: Temperatures can average 70-80 F, but can reach highs of 100 F. Rain rare. Dry and hot. Fall: Temperatures can fluctuate greatly. Sub-freezing mornings can give way to mild days. Rain in early fall likely. Winter: Temperature can fall to -30 F, with highs of 10-20 F. Snow is possible. Cold weather gear is highly recommended.

Visitor center

Augusta Kohrs Victorian Garden

Visitor center

Bunkhouse Bedroom

Visitor center

Bunkhouse Dining Room

Visitor center

Bunkhouse Kitchen

Visitor center

Bunkhouse Shower and Washroom

Visitor center

Bunkhouse Sitting Room

Visitor center

Dairy Barn

Visitor center

Dougherty Wagon

Visitor center

Leeds Lion Barn

Visitor center

Native Tribes Interpretive Site

Visitor center

Ranch Repair Shop

Visitor center

The Chuckwagon

Facilities on the park map

5 benches, 3 defibrillators, 5 first aid kits, 7 picnic areas, 12 restrooms, 19 visitor information, 3 water fountains.

History

Opened

1972

Heritage status

Listed heritage / protected status

Operated by

National Park Service

Heritage designation

National Historic Landmark (from 1960); National Register of Historic Places listed place (from 1972)

• Designated National Historic Landmark — 1960-12-19
• Park opened
• Designated National Register of Historic Places listed place — 1972-08-25