The practical details
Before you go
- Start
- Choose the lakeside car park for the green lake circuit. Follow park signs from Castlewellan.
- Distance
- The lake circuit is approximately 3.9 km in total.
- Access
- Broad, relatively flat lake paths; shared with an easy mountain-bike route. Check suitability for your chair or pushchair.
- Dogs
- Follow current park signs for dog control and leads.
- Facilities
- Accessible parking and toilets are listed. Check current café opening and council visitor charges.
Check the operator’s latest opening, charges and access before travelling.
Sources & practical details
Castlewellan brings together woodland, lake views and a designed estate landscape north of the Mournes. Choose one of the park’s walking trails, then leave time to explore Castlewellan town.
The Annesley Garden dates from 1740 and is a focal point of the arboretum. The tree collection and Peace Maze offer more to discover beyond the lakeside.
- Setting
- Castlewellan, north of the Mournes
- Garden history
- Annesley Garden dates from 1740
What to look out for
- Castlewellan Lake
- Annesley Garden and arboretum
- Peace Maze
Find your bearings
Open in OpenStreetMap ↗See where this place sits in the Mourne landscape before planning your visit.
From the coast to the high ground.
© OpenStreetMap contributors · Map data & privacy
Loading the map connects to OpenStreetMap. Pins show locations, not a walking route or permission to enter.
Plan your visit
Check the current park and garden information before travelling, including trail notices and access arrangements. Follow forestry and biosecurity signs.
Visitor information & access →
Sources & further reading
Checked 2026-10-08: nidirect / Forest Service.