River Weir at Lucan – Bohernabreena Upper Reservoir loop from Marlay Station

Bike touring routes & trails

Ireland

Leinster

Dublin

River Weir at Lucan – Bohernabreena Upper Reservoir loop from Marlay Station

Hard

5.0

(4)

riders

River Weir at Lucan – Bohernabreena Upper Reservoir loop from Marlay Station

03:00

41.8km

830m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. The starting point of the route is accessible with public transport.

Last updated: November 5, 2026

Waypoints

Start point

Train Station

Get Directions

6.16 km

Tallaght Weir

Highlight • Monument

Balrothery Weir, where the Dodder River take a unique turn. This spot offers a glimpse into the river's journey, as water cascades over the weir's stones. It's a natural spectacle that invites you to appreciate the rhythmic flow of nature.

Tip by

6.17 km

River Weir at Lucan

Highlight • Structure

8.97 km

Weir and Stone Bridge at River Griffeen

Highlight • Bridge

24.2 km

Bohernabreena Waterworks

Highlight • Lake

Bohernabreena Waterworks forms the historical heart of the waterworks connecting the Upper and Lower Reservoirs. The complex is located on the north side of the Upper Reservoir and consists of …

Showing Translation

Tip by

24.2 km

Bohernabreena Upper Reservoir

Highlight • Lake

The Upper Reservoir is the highest lake in the Glenasmole valley and feels a lot wilder and more remote than its lower neighbour. At this point on the south-eastern shore, …

Showing Translation

Tip by

24.8 km

Bohernabreena Reservoir Loop

Highlight • Lake

Car-free path along the Lower Reservoir in the Glenasmole Valley, with views of water, forest, and the first ridges of the Dublin Mountains. Quiet, wide, and ideal as a transition …

Showing Translation

Tip by

26.9 km

View of the Old Military Road

Highlight (Segment) • Viewpoint

This segment via Castlekelly, Allagour and Cunard Road is the ultimate link between the sheltered Glenasmole valley and the rugged open plains of the Wicklow Mountains. For the cyclist, this …

Showing Translation

Tip by

41.8 km

End point

Train Station

Way Types & Surfaces

Way Types