This 28-hectare conservation area along Harmony Creek combines hardwood forest, open meadows, wetlands, and gentle trails for walking, running or exploring with your dog. The trail network passes through mixed woods and plantation stands and supports both family-friendly outings and steeper nature walks. The park also includes a dedicated off-leash dog area, making it especially popular for pet owners. With its quiet natural setting yet easy access from Oshawa, Harmony Valley is a dependable green-space stop for calm, scenic time outdoors.