Hours, Rules & Map

For your safety and the enjoyment of all visitors, please observe the following park rules:

• For your safety please stay on the trails
• Professional photography is allowed at ONP. Please follow these guidelines and be respectful of other visitors and the environment.
• ONP is not available for rent or event usage of any kind. Please see this list of Mansfield Parks that have rentable pavilions.
• Golfing and horseback riding are prohibited.
• Firearms are prohibited except as authorized by law.
• Motorized vehicles are not allowed on the trail or in the park.
• Parking is allowed in designated area only.
• Inline skates, roller skates and bicycles are permitted on concrete trails only
• Dogs welcomed on leashes per City Ordinance 90.09.
• Please clean up after pets per City Ordinance 90.12.
• Alcoholic beverages and glass containers are prohibited per City Ordinance 96.05.
• Overnight camping is prohibited per City Ordinance 96.20.
• Do not attempt to touch, befriend, feed or help any wild animal you encounter while in the park.
• The unauthorized removal of plants, animals or other natural resources is prohibited.
• Picnics are permitted in designated picnic areas only.
• Please deposit litter in appropriate receptacles.
• Park hours: Daily 5 a.m. - 9 p.m.  March – October, 5 a.m. - 6 a.m. November – February.