Helix Water District dog rules
Off leash at Canine Corners Dog Park.
Each rule, in the law's own words1 rule
Off leash at Canine Corners Dog Park.
Source: Rules: Harry Griffen Park (City of La Mesa) (Harry Griffen Park joint powers authority (City of La Mesa page))
Places this rule covers
Open to dogs now first, then off-leash places and those with a photo.
Check posted signs. They are the rule on site. This guide restates published rules and OpenStreetMap data, which can be out of date or incomplete. It is not legal advice.