Minnesota · Minnesota State Parks

Dogs at William O'Brien State Park

Can I bring my dog, and on which trails?
Dog-friendly

Yes, leashed dogs are welcome on the wooded hiking trails.

Dogs on leash allowed on trails along the St. Croix River; not permitted at the designated swimming beach.

Where dogs are allowed

Dogs on leash allowed on trails along the St. Croix River; not permitted at the designated swimming beach.

Where dogs are not allowed

Designated swimming beach.

Good to know

6-foot leash maximum.

Leash rule

6 feet maximum. Retractable leashes are often not allowed.

Service animals

Service animals are allowed where pets are not, under the ADA. A leash is still required.

Official source
Minnesota State Parks
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Last verified 2026-07-09
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Common questions

Can I bring my dog to William O'Brien State Park?

Yes, leashed dogs are welcome on the wooded hiking trails. Dogs on leash allowed on trails along the St. Croix River; not permitted at the designated swimming beach.

What is the leash rule at William O'Brien State Park?

6 feet maximum. Retractable leashes are often not allowed.

Where are dogs not allowed at William O'Brien State Park?

Designated swimming beach.

Are service animals allowed at William O'Brien State Park?

Service animals are allowed where pets are not, under the ADA. A leash is still required.