It sits on the east banks of the Pembina River near the halfway point between Edmonton and Edson.

It has an annual rodeo, the Pembina River Provincial Park, and calls itself the Diamond Capital of Canada.

Seizing the opportunity, Entwistle staked a claim on a section of land very close to the Pembina River and the surveyed line for the Grand Trunk Pacific Railway in 1907.

In 1908, as the railway construction camps drew closer to the Pembina River, Entwistle built a general store on his land, and left it in the care of his wife and children.

The town was informally known as "Pembina", after the river, but that name was rejected by the federal government, citing duplication.

In those early decades, Entwistle had a thriving agriculture industry, along with timber and the coal mines in neighbouring Evansburg.

Entwistle has a humid continental climate (Dfb) with warm summers with cool nights and long, cold winters with moderate snowfall.

Its tourism economy is seasonally supplemented by the nearby Pembina River Provincial Park and the annual Entwistle Rodeo every Canada Day weekend.

The influx of tourists currently has Entwistle residents worrying that the river is being polluted and the community is being overrun.

Parkland County is building a new bypass route around the cemetery, which is expected to relieve some of the pressure.

[9] In 1958, Entwistle resident Einar Opdahl found a diamond in the banks of the Pembina River.

The diamond weighed 0.83 carats (166 mg), and was described as being "a perfect octahedron with eight faces; a clear, colorless stone.

Several Alberta-based exploratory companies staked diamond claims near Entwistle and the Pembina River in 1992.

As there were no cranes big enough to carry steel, a massive false bridge and scaffolding were built out of wood.

The Scottish engineers assembled the bridge in Scotland, ran their tests on it, and then carefully dismantled it.

[11] As the steel structure was laid in place, the wooden scaffolding and false bridge were gradually dismantled.

When he died in 1965, he left the bulk of his estate to the Village of Entwistle, with the instruction that it be used "to build something that will be used by the whole community.

Read Memorial Building housed Entwistle's bank, post office, and public library.

Despite the railway's efforts, the people of Entwistle opted to walk one mile to the train station, rather than move the town.