A hidden gem at the north eastern tip of Islandmagee, Portmuck is a stunning little harbour with fabulous views of the Antrim Coast. The National Trust owns and manages the coastline on either side of the harbour and have provided excellent trails for visitors to enjoy the scenery and dramatic views.

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Walk Route

Portmuck



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  • Nice, gentle walk for a Sunday afternoon.

    Stop off at Chapter 1 in Islandmagee later for munchies . 🙂

    Dawn Baird at 2:02 pm
  • County Antrim

    Distance 2 miles

    OS Map Sheet 9

    Terrain Grassy paths, rocky areas, steps

    Nearest Town Portmuck

    Route Shape Linear

    Grid Reference D45997 02294

    Route Type Coastal

    Two linear routes on either side of the harbour.

    Northern route to the left of harbour:

    From the car park cross the picnic area and go through the wooden swing gate. Turn left and follow the path up the slope. Cross a step-over stile and continue across two open fields until you reach the boundary. Return by same route.

    Southern route to the right of harbour:

    Climb the steps beside the harbour then follow the path and go down the steps to the rocky shore. Turn right and continue until you reach the tombolo over to the Isle of Muck. Follow the trail up the slope to the right. When the main grassy path is reached there re two options. 1. Turn left and walk about a half mile to the end of the path and then return or 2. Turn right and take the next trail on the left until the road is reached, then turn right and walk along the road until you return to the car park.

    Portmuck harbour. Tombola across to Isle of Muck. Geology

    Take A2 from Belfast to Larne, turn right onto the B90. Then go straight onto the B150. Follow signs to Portmuck. The 1km road down to the harbour is narrow, winding and very steep. There is a small car park at the end.

    Translink – journeyplanner.translink.co.uk

    Disabled parking spaces are available in the harbour car park. Harbour toilets are open seasonally see Larne Borough Council for opening times http://www.larne.gov.uk/template1.asp?pid=1052&area=3&text=1

    The following facilities are available for users with limited mobility:

    – Disabled parking

    Grade 4

    • The path may not be hard and firm in all weathers with loose stones (not bigger than 10cm) with occasional tree roots and pot holes and will be at least 80cm wide for its entire length.
    • The path gradients and cross slopes will be greater than 6 degrees
    • Obstacles such as steps or stiles are to be expected and surface breaks may be larger 75mm in width.
    • There will be a clear head height of greater than 2.10m for the entire length of the route.
    • Passing places and rest areas may not be formalised or provided.