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Jersey

Grosnez Castle Ruins – St. Aubin's Bay loop from St Helier

Routes

Road cycling routes

Jersey

Grosnez Castle Ruins – St. Aubin's Bay loop from St Helier

Moderate

144

riders

Grosnez Castle Ruins – St. Aubin's Bay loop from St Helier

02:06

47.0km

260m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: June 18, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions. Check ahead to confirm restricted segments are open to the public.

After 169 m for 99 m

Waypoints

Start point

Bus stop

Get Directions

3.89 km

Saint Aubin's Bay

Beach

16.4 km

Millennium Stone at St Ouen’s Bay

Highlight • Monument

One of 20 commemorative stones, installed in 2020 - this one has a fantastic location at the top of the hill at the northern extent of St Ouen’s Bay. There are a few benches nearby so a good opportunity to pause and take in the view.

Tip by

17.8 km

Grosnez Castle Ruins

Highlight • Castle

A free to enter heritage site, and a good point to get a glimpse of Guernsey, to the northwest.

Tip by

28.9 km

Picnic Tables at St John's Churchyard

Highlight • Rest Area

There are a few picnic tables in the Churchyard at St John's Chrurch and a tap to replenish your water botter. There is also a little café serving great coffee and snacks for some energy when you come across those surprising inclines.

Tip by

31.1 km

View of Sorel Point

Highlight • Viewpoint

An impressive viewpoint overlooking Jersey’s rugged north coast (and the adjacent mine, if you’re interest in seeing more geology).

Tip by

42.2 km

St. Aubin's Bay

Highlight • Beach

There’s a relatively good quality cycle lane that runs along most of the bay, providing good views and an escape from traffic (and traffic lights).

Tip by

43.6 km

View of St Aubin's Bay from Bel Royal

Highlight • Viewpoint

47.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

29.4 km

12.1 km

2.44 km

2.33 km

666 m

180 m

Surfaces

39.1 km

6.82 km

638 m

349 m

180 m

Elevation

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

Highest point (110 m)

Lowest point (0 m)

Weather

Monday 22 June

34°C

19°C

-- %

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Comments

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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 – St. Aubin's Bay loop from St Helier

Millennium Stone at St Ouen’s Bay

Grosnez Castle Ruins

Picnic Tables at St John's Churchyard

View of Sorel Point

St. Aubin's Bay

View of St Aubin's Bay from Bel Royal

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