Nillumbik Park Dog Off Leash Area along the Diamond Creek Trail is less of a destination park and more of a series of “sniff breaks” along a scenic walk. It offers open, natural reserves perfect for exploration, but strict exclusions apply to the wetlands and sports ovals.
Nillumbik Park: At a Glance
- 🌿 The Vibe: Trail adventure. It’s about moving through the landscape, not staying put.
- 🐕 Best For: Dogs accompanying their owners on a long trail walk or run.
- Off-Leash Hours: Open 24 Hours (Unlit).
- Fencing: Unfenced.
- 🅿️ Parking: Parking available near the trailheads in Diamond Creek.

Dog Park Features & Amenities
For the Dogs
- Nature Trail: The area follows the creek trail, offering constantly changing smells and terrain.
- Water: There is a tap near the trail, but carrying a bottle is recommended for longer walks.
- Prohibited Zones: Dogs are strictly banned from the sensitive wetlands and the sports oval surfaces. Watch the signs.
For the Humans
- Zero Amenities: There are no bins and no toilets along this stretch.
- Cyclists: The trail is shared with bikes, so keep your dog under control to avoid collisions.
Insider Tip: This isn’t a “sit and chat” park. It’s for walking. If you stop on the trail, you’ll block traffic. Keep moving and let your dog sniff the verges.
The Final Verdict
Nillumbik Park is a great connector. It’s perfect for tiring out a dog on a long walk, but it lacks the containment and facilities of a proper dog park. Use it as part of your exercise routine, not as the destination itself.
For trail maps, check the Nillumbik Shire Council website.
Nillumbik Park: FAQ
Q: Is the area fenced?
A: No, it is unfenced and adjacent to the trail and creek.
Q: Can dogs swim in the creek/wetlands?
A: No, entering the wetlands is prohibited to protect wildlife.
Q: Are there toilets?
A: No, there are no toilets along this section.













