Sears Lake
Sears Lake is a wilderness lake, located in Bitterroot National Forest, Stevensville District, Ravalli County, Montana, 46.2994502°N, -114.3711125°W, about 8 acres in size.
https://ravalli.us/ArchiveCenter/ViewFile/Item/1693
The Sears Lake trail runs 1.2 miles to the lake.
https://www.fs.usda.gov/recarea/bitterroot/recreation/fishing/recarea/?recid=60726&actid=50
A number of Sears lived around the Bitter Root valley from 1881, including Isaac Sears.
http://www.mtgenweb.com/ravalli/RAVALLI_COUNTY_OBITS_S.html
Sears Motel & Campground
The Sears Motel & Campground is located at 1023 MT Hwy 49 N, East Glacier Park, MT 59434
Sears Motel and Cabins – UPDATED Prices, Reviews & Photos (East Glacier Park, Montana) – Tripadvisor
Other Place Names
I found a document, “SOURCE OF LOCAL LANDMARK NAMES for the Bull Lake Valley, Yaak River Valley and the Troy, Montana Area” compiled by Jim Calvi, 2002, listing some other place names and features in Montana.
https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5280674.pdf
Sears Flat (General Troy Area – Kootenai River) – Name for a large flat bench on the north side of the Kootenai River across from the Yakt Railroad Siding. At one time, the original Yakt-Sylvanite Wagon Road passed through this flat. This old part of the road was later abandoned in favor of the East Side Road.
Sears Road (Yaak River Valley) – Another name for the Yakt-Sylvanite Wagon Road which was begun in 1896 and not completed until c. 1915. The road is shown on early 1917 forest service maps.
Sears Mountain (Yaak River Valley – Kilbrennan Lake) – An early 1910-1920s name for a small butte (3235′) located north of Kilbrennan Lake in the northwest corner of Section 20, T33N, R34W.
Sears Dam, Ravalli, MT
Sears Gulch, Valley Sanders, MT
Sears Coulee (48.9402853°N, -111.264974°W) is in Liberty County.