Routes

Planner

Features

Updates

App

Get the App

Caernarfon Castle – Pont Aberglaslyn loop from Rhyd-ddu

Caernarfon Castle – Pont Aberglaslyn loop from Rhyd-ddu

Hard

riders

Caernarfon Castle – Pont Aberglaslyn loop from Rhyd-ddu

03:59

76.3km

1,180m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: February 27, 2026

Tips

Includes a segment in which cycling is not permitted

After 27.1 km for 155 m

Waypoints

Start point

Bus stop

Get Directions

1.91 km

Drws y Coed Climb

Highlight (Segment) • Climb

A 4.3km climb in Dyffryn Nantlle with a deceptive average gradient of 3.3% with the final section closer to the maximum gradient of 12.4%.

A 4.3km climb in Dyffryn Nantlle …

Translated by Google •

Tip by

7.31 km

View of Snowdon (Yr Wyddfa) Across Llyn Nantlle Uchaf

Highlight • Viewpoint

Nantle Valley is well known for its mountains and ridge. A lot of historic settlements and slate mining. Stunning views of Snowdonia. Road surface is good watch out for sheep …

Tip by

25.9 km

Caernarfon Castle

Highlight • Monument

Royal fortress-palace built on legends and bitter medieval conflict Caernarfon Castle is recognised around the world as one of the greatest buildings of the middle ages

Tip by

27.3 km

Segontium Roman Fort

Archaeological Site

45.0 km

Llanberis Pass – Pen-y-Pass Climb

Highlight (Segment) • Climb

Awesome mountain road from Nant Peris in the west to the top of Pen-y-pass in the east. It's a long climb up from Nant Peris or an exciting descent in …

Tip by

49.8 km

Pen-y-Pass Ascent from Nant Gwynant

Highlight (Segment) • Viewpoint

Voted one of the ten most iconic climbs in Wales, you have to conquer this climb. It climbs gently enough from Nant Gwynant to the summit of Pen y Pass for approximately 6km.

Translated by Google •

Tip by

59.3 km

Coed yr Odyn

Forest

64.4 km

Coed Caeddafydd

Forest

68.2 km

Pont Aberglaslyn

Highlight • Viewpoint

The bridge was probably built in the 17th century and then radically rebuilt and widened in 1795-1796. As with many older bridges, folk tales claimed that the bridge was built …

Showing Translation

Tip by

68.2 km

Stone Bridge over Afon Glaslyn

Highlight • River

The old bridge over the river or Afon Glaslyn is a great place to pause and watch the water go by. You can see down into the Aberglaslyn gorge with …

Tip by

71.7 km

View of Beddgelert and the Glaslyn River

Highlight • Viewpoint

Take care in winter months but seeing the area is wonderful watch out for cattle grids

Tip by

76.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

41.4 km

31.2 km

1.89 km

1.63 km

260 m

< 100 m

Surfaces

60.3 km

15.7 km

211 m

159 m

Elevation

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

Highest point (360 m)

Lowest point (0 m)

Weather

Monday 18 May

12°C

8°C

66 %

Additional weather tips

Max wind speed: 31.0 km/h

to get more detailed weather forecasts along your route

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

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Hard

5.0

721

Pen y Pass and Beddgelert from Bangor loop — Parc Cenedlaethol Eryri / Snowdonia National Park

03:32h

74.7km

950m

Moderate

4.6

345

Glyders, Ogwen Valley & Llanberis Pass loop from Bethesda — Snowdonia National Park

02:30h

49.3km

720m

Hard

4.8

219

Pen y Pass and Marchlyn Mawr climb loop from Llanberis

02:57h

54.6km

1,000m

Hard

4.2

229

Sychnant Pass and Conwy Valley Loop from Bethesda

03:31h

70.5km

1,010m

Hard

5.0

206

Brailsford Way loop from Caernarfon — Snowdonia National Park

03:40h

74.7km

910m

Moderate

5.0

216

Beddgelert from Bangor loop

03:33h

76.6km

870m

Hard

5.0

166

Snowdon Circuit

04:40h

91.6km

1,220m

Hard

116

Caernarfon from Betws-y-Coed loop — Parc Cenedlaethol Eryri / Snowdonia National Park

05:27h

107km

1,430m

Hard

117

Blaenau Ffestiniog, Beddgelert and Capel Curig Loop

04:20h

80.6km

1,290m

Moderate

4.0

110

Tour of the Llŷn Peninsula

04:06h

73.3km

800m

Moderate

5.0

131

Great Orme from Penmaenmawr loop

02:06h

41.6km

650m

Hard

5.0

A loop of the Carneddau from Penmaenmawr

03:27h

66.2km

1,000m

Caernarfon Castle – Pont Aberglaslyn loop from Rhyd-ddu

Drws y Coed Climb

View of Snowdon (Yr Wyddfa) Across Llyn Nantlle Uchaf

Caernarfon Castle

Llanberis Pass – Pen-y-Pass Climb

Pen-y-Pass Ascent from Nant Gwynant

Pont Aberglaslyn

Stone Bridge over Afon Glaslyn

View of Beddgelert and the Glaslyn River

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️