Clean up after your dog... every time!
And now the legal stuff:
PROVINCIAL PARKS AND CONSERVATION RESERVES ACT, 2006
PROVINCIAL PARKS: GENERAL PROVISIONS
"domestic animal" means a horse, a dog or any other animal that is kept under human control
either by habit or training and lives in association with human beings;
Domestic and other animals
6. (1) No person in control of a domestic animal shall permit the animal to be,
(a) in a provincial park unless the animal is secured on a leash that does not exceed two metres in length;
(b) in any waters in a provincial park designated as a swimming area or upon any part of the beach adjacent to it;
(c) in any waters adjacent to interior camp-sites where interior campers would obtain water for cooking or consumption; or
(d) in any area posted to prohibit domestic animals or designated as an area in which domestic animals are prohibited.
(2) Clause (1) (a) does not apply to an animal in a vehicle or a cage, to a dog accompanying a person who is lawfully hunting or within an area in which dogs are allowed to be off leash.
(3) Clauses (1) (b), (c) and (d) do not apply to a person who is a holder of a National Identity Card issued by the Canadian Institute for the Blind or equivalent proof of legal blindness.
(4) No person shall permit a domestic animal, while in a provincial park, to,
(a) make excessive noise;
(b) disturb other persons;
(c) damage Crown property or vegetation;
(d) chase or molest wild animals or birds;
(e) injure, or attempt to injure, a person or other domestic animal.
(5) The person in control of a domestic animal shall immediately dispose of excrement from the animal in such manner and at such location that it will not cause a health hazard or public inconvenience.
(6) Subsection (5) does not apply to a person who is unable to immediately dispose of excrement because of a disability.
(7) The person in charge of a domestic animal that is not secured shall capture and secure the animal at the request of an officer.
(8) An officer may seize or cause to be seized a domestic animal if the person in control of the animal is in contravention of subsection (1), (4) or (5).
(9) An officer who seizes a domestic animal shall take reasonable care of the animal or deliver it to a pound as soon as reasonably possible.
(10) No person shall drive, walk or ride a horse, pony or similar animal in a provincial park except in an area operated for that purpose.