The AI Biker
Mountain-bike trail running through Coed y Brenin forest
Photo: Steven Brown, CC BY-SA 2.0
Wales

Coed y Brenin

Eryri, near Dolgellau

STANDARD LOCATION GUIDE

Plan the ride

Coed y Brenin is a rocky, all-weather riding destination in Eryri, near Dolgellau. Use this stable overview to choose the ride, then check the live operator page before setting off.

Families & progressionTechnical riders
Grades
Green · Blue · Red · Black
Route scale
Family loops to full-day
Live status
Check operator before travel
Parking & facilities
Verify on official visitor page
Booking / uplift
Confirm directly where required
Research checked
30 August 2026
Report an update
Precise area
Eryri, near Dolgellau
UK country
Wales
Trails & grades
Green · Blue · Red · Black
Route scale
Family loops to full-day
Riding style & terrain
Rocky, all-weather riding
Suitable rider level
Mixed-ability groups: easier routes sit alongside genuinely technical options.

THE FAN VIEW

Why riders remember Coed y Brenin

This is the kind of destination where a group can build confidence, repeat sections and finish with everyone wanting one more lap.

A satisfying day here
  1. Download an offline route and note escape points
  2. Carry more food, layers and repair capacity than a trail-centre lap
  3. Set a firm turnaround time around daylight and weather

TRAILS & TERRAIN

What to expect

Rocky, all-weather riding. The currently recorded route scale is family loops to full-day, with indicative grading of Green · Blue · Red · Black. Grading is relative to the venue, so read the operator's route descriptions as well as the colour.

Treat this as a bigger outdoor day: carry navigation, food, water, repair kit and a weather fallback.

ACCESS · FACILITIES · BOOKING

Check before travelling

Before travelling: check live trail status, parking, weather, facilities and any forestry or event closures.

  • Live trail status, seasonal closures and diversions
  • Route names, current maps, grades and waymarking
  • Arrival point, parking charges and public transport
  • Toilets, food, bike wash, repair and changing facilities
  • Bike hire, uplift, passes, booking and protection rules

If the official source does not list a facility, this guide does not assume it exists. Operational details can change at short notice.

OFFICIAL DETAIL EXPANSION

Named routes and trip facts

Source records checked 31 August 2026. Live conditions and operating details still require a same-day check.

Coed y Brenin combines an adaptive-friendly blue progression route with compact technical red loops, longer red mountain rides and severe black classics. Routes are waymarked from the car park and the official page records distance, climbing and expected time for each option.

MinorTaur

Blue · Moderate · 3 km to 13 km across four progressive loops

A progressive introduction with stone steps, rollers, berms and optional jumps; the first three loops are suitable for adaptive equipment.

Official route record

Temtiwr

Red · Difficult · 9 km · 170 m climb

A short technical test with rock slabs, steps, some black-grade features and a long forest-road climb.

Official route record

Cyflym Coch

Red · Difficult · 12.6 km · 270 m climb

A progression route beyond MinorTaur, linking fast flowing sections with relatively short climbs.

Official route record

Dragon's Back

Red · Difficult · 30 km · 710 m climb

A demanding forest journey with a hard opening, high point, named singletrack sections and five rewarding descents.

Official route record

MBR

Black · Severe · 17.6 km · 410 m climb

Rocky bedrock, loose technical climbing and descending, large rollers, steps and committing features.

Official route record

Tarw Du

Black · Severe · 20 km · 460 m climb

The original purpose-built trail, retaining a rocky character with large slabs and committing lines.

Official route record
Access and arrival
The visitor centre is eight miles north of Dolgellau, signed from the A470. From Dolgellau, pass through Ganllwyd and continue about 1½ miles; the entrance is on the right. Use postcode LL40 2HZ and grid reference SH 723 268, but follow the signs and avoid the no-through road.
Public transport
The nearest mainline stations listed by NRW are Barmouth and Blaenau Ffestiniog. Buses from Dolgellau and Blaenau Ffestiniog stop by request at the entrance road on the A470; check Traveline Cymru and allow for the final approach.
Facilities
Charged parking, toilets, showers, bike wash, accessible toilets, picnic and play areas are listed. NRW currently says the café and general shop are no longer operating, the visitor centre is unstaffed and there is no first-aid provision, so bring food and an emergency plan.
Bike hire and support
Beics Brenin is listed on the lower level with bike hire, repairs, sales, coaching and lessons. Confirm its current opening and reserve suitable hire equipment before travelling.
Booking
The waymarked trails do not have a general booking requirement. Bike hire, coaching and the Tramper off-road mobility scooter should be arranged in advance.
Seasonal and live-status note
NRW may divert or close trails for maintenance, forestry work or extreme weather, and the approach can be icy. Check the live notices at the top of the official page and obey all on-site signs.

PRACTICAL FACILITIES

What is known—and what still needs checking

Public transport
Nearby option mentioned; verify the final mile
Food & drink
Nearby option mentioned in the directory notes
Bike hire or support
Not confirmed — check before travelling
Uplift or advance booking
No requirement recorded; verify with the operator
Parking, toilets & changing
Use the official visitor page for current availability and charges
VERIFIED SOURCE RECORD

Natural Resources Wales · land manager. Source last checked 30 August 2026; use it for live closures, facilities, booking and access.

Open official site

WALES · LOCATION 1 OF 17

Where Coed y Brenin sits

The highlighted marker shows this location relative to the other directory sites in Wales. North is at the top; this is a country-position guide, not a trail or emergency-navigation map.

Coordinates are carefully matched planning points. A marker may identify the trail area or a nearby practical base and is labelled accordingly.

Open the full Wales map