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Sunnyside Trail

Lander, Wyoming · Sinks Canyon State Park

No dogs from December 1 to April 30. Dogs on a leash the rest of the time

Canyon-side trail in Sinks Canyon. Dogs on a leash only from 1 May to 30 November.

Source: Wyoming State Parks, Sinks Canyon State Park. Checked October 29, 2026.

Follow the signs at the trailhead: parks can close areas to dogs for wildlife.

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Sinks Canyon State Park: the rule in full

Pets on a leash at all times. On the Sunnyside Trail dogs are allowed only from 1 May to 30 November (winter mule deer habitat).