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Jersey

Grosnez Castle Ruins – Plémont Bay loop from Grosnez Castle

Routes

Hiking trails & Routes

Jersey

Grosnez Castle Ruins – Plémont Bay loop from Grosnez Castle

Moderate

4.7

(23)

110

hikers

Grosnez Castle Ruins – Plémont Bay loop from Grosnez Castle

02:17

8.38km

110m

Hiking

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is accessible with public transport.

Last updated: April 8, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Jersey National Park

Waypoints

Start point

Bus stop

Get Directions

1.04 km

Les Landes Boardwalk

Highlight • Bridge

A wooden bridge over a swamp keeps feet dry and protects the toads. Toads are the identifying animal of the people of Jersier.

Translated by Google •

Tip by

2.30 km

Grosnez Castle Ruins

Highlight • Castle

However, it is called Grosnez Castle. It has a magnificent view over the cliffs.

Translated by Google •

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4.15 km

Piemont Bay

Highlight • Beach

It is best to walk along the beach at low tide.

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4.21 km

Plémont Bay

Highlight • Beach

Plémont Bay is one of the most beautiful bays in Jersey and offers - only at low tide - some caves to explore and also "small pools" for children to …

Translated by Google •

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7.36 km

View of the Pinnacle Settlement

Highlight • Historical Site

Historic site: Ruins visible most likely of a Gallo-Roman temple, but this site has been used as settlement in the neolithic/chalcolithic periods, the Copper Age, Bronze Age and Iron Ago before.

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7.43 km

The Pinnacle

Highlight • Historical Site

Historic site: Two earth and rubble ramparts habe been attributed to the neolithic/chalcolithic periods and a third to the Bronze Age. Before the Bronze Age, a copper axe found proves …

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8.38 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.76 km

1.58 km

926 m

107 m

Surfaces

4.64 km

1.65 km

1.25 km

357 m

333 m

107 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Tuesday 14 April

16°C

11°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Grosnez Castle Ruins – Plémont Bay loop from Grosnez Castle

Les Landes Boardwalk

Grosnez Castle Ruins

Piemont Bay

Plémont Bay

View of the Pinnacle Settlement

The Pinnacle

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