Mountain Bike

Trails

at Llys-y-Frân Lake

Llys-y-Frân Lake is free to enter

Brought to you by Welsh Water

Mountain Bike Trails at Llys-y-Frân Lake


There are 2.4km (1.5 miles) of additional trails or sections to try that branch off and re-join the main Reservoir Route.

As you cycle anticlockwise around the main reservoir route you will come to 12 sections. They range from blue/moderate to red/difficult.

They’ve been designed to help you develop and challenge your ability and confidence.

The sections are well sign posted and colour coded so choose an adventure based on your appropriate skill level.

All cyclists please follow the trail in an anticlockwise direction.

Blue Trails


A route which is in parts physically demanding. Contains climbs which are strenuous but relatively short lived. A good standard of fitness is required. High level routes which may often be exposed to the elements.

Route Length: 300m

Drop waterside for rolling ups and downs of sinewy single track with an optional blue grade rock section.

Route Length: 1000m

Take a meandering climb to the top of the quarry wall with an optional red grade boulder feature before a fun descent flowing in and out of the trees.

Route Length: 750m

A slow gentle ascent through dense old woodland before a long rolling descent in and out of majestic trees to join main track.

Route Length: 750m

Cut into part of an old hedgerow track dropping down over a bridge and stream inlet. Then climb back up to the top of the forest across a north shore bridge to reach the highest point on the site and well-earned views of the dam and Syfynwy Valley. Links straight into The Dam Buster.

Route Length: 550m

Flow between some of the grandest trees on-site and open bracken Peddly section flowing in and out of open bracken areas with rollable jumps and into thick old growth with some of the grandest trees on site. Springtime carpet of bluebells.

Route Length: 225m

Climb up through dappled light in a fern-rich woodland that opens out and rolls through deep bracken with fantastic views of the lake.

Route Length: 750m

Drop lake-side onto flowy single-track weaving through woodland before flattening out and into the final descent to the reservoir. Look out for otters, kingfishers and spring-time bulbs in this special conservation area.

Red Trails


A physically demanding route. Long & sustained climbs throughout. High level routes which may often be exposed to the elements. A high standard of fitness is essential.

Route Length: 300m

Start your adventure riding berms and roller features similar to the skills area on this mini flow trail.

Route Length: 1000m

From lofty heights, ride the technical descent of steep, dropping turns and berms to the shady depths of the valley below and north shore bridge crossing two streams. Then it’s a deceptive ascent up the valley side before giving way to a fast descent past more rocky outcrops and moss-laden trees.

Route Length: 900m

A technical rocky ascent to the top of the cliff line with fantastic views over the reservoir. Up in the treetops traverse past rocky outcrops to descend through natural rock chutes, drops and optional black features flowing through old growth woodland.

Route Length: 400m

Like a twisted ribbon of dirt, the trail flows across the field through rollers, jumps and berms into fast, twisty woodland single-track. Cross a north shore bridge over a ravine and tackle a small drop off to launch into the final trail descent.

Route Length: 1000m

It’s the fast and flowy final descent with rollers, jumps and big berms moving into tight woodland turns, exposed rock sections, roots and drops before finishing near the dam wall.

Share with Care


Walkers and cyclists share these trails, so please treat each other with respect and consideration.

Although walkers have priority, please do let cyclists pass safely. All cyclists to ride the routes anticlockwise.

•      Keep left, pass right

•     Be seen, be heard, be safe

•      Use lights it it’s dark or overcast

•      Pass safely and slowly

•      Walkers have priority

•      Ride at a sensible speed

•      Slow down near blind spots

•      Use bins, or take litter home

Other routes you might like


The Family Cycling Route

3.19m / 5.13km. Soak in the stunning surroundings of the forest and the spectacular views of the water as you cycle along the Family Route.

• GO TO ROUTE •

The Reservoir Cycling Route

6.27m / 10.1km. Enjoy an exciting bike ride and head through trees as you take in the lovely sights of the woodland.

• GO TO ROUTE •

Velindre Family Walking Trail

6.68m / 10.76km. Take in the stunning surroundings of the forest and the spectacular views of the water as you enjoy this walk in just under 3 hours.

• GO TO ROUTE •

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OTHER WELSH WATER ADVENTURES