The A4086 is an A road in Gwynedd. The road goes between

Caernarfon Caernarfon (; ) is a royal town, community and port in Gwynedd, Wales, with a population of 9,852 (with Caeathro). It lies along the A487 road, on the eastern shore of the Menai Strait, opposite the Isle of Anglesey. The city of Bangor is ...

and the A5 near

Capel Curig Capel Curig (; meaning " Curig's Chapel") is a village and community in Conwy County Borough, Wales. Historically in Caernarfonshire, it lies in the heart of Snowdonia, on the River Llugwy, and has a population of 226, reducing slightly to 206 ...

. In Caernarfon, the road leads towards the east to cross

Afon Seiont Afon Seiont (Welsh, meaning ''River Seiont'' in English) is a river in Gwynedd, Wales which runs into the Menai Strait. Its source is the outflow of Llyn Padarn near Llanberis, and it flows out in a generally northwest direction. Between th ...

near Pont-rug, then turns towards the south-east, past the shore of

Llyn Padarn Llyn Padarn is a glacially formed lake in Snowdonia, Gwynedd, north Wales, and is an example of a moraine dammed lake. The lake is approximately long (about 240 acres) and at its deepest point is deep, and is one of the largest natural lakes ...

and Llyn Peris and through Llanberis Pass, with the cliffs of

Glyder Fawr is a mountain in Snowdonia, Wales, the highest peak in the Glyderau range at just over 1,000 metres, having had its height recalculated in 2010 using GPS. It is the fifth-highest mountain in Wales and has several walking and scrambling route ...

on the left and Crib Goch on the right, and arrives at Pen-y-pass, the most popular place to climb Snowdon. The road then turns towards the north-east near Pen-y-Gwryd, to the junction with the A498, along Dyffryn Mymbyr and past

Llynnau Mymbyr Llynnau Mymbyr are two lakes located in Dyffryn Mymbyr, a valley running from the village of Capel Curig to the Pen-y-Gwryd hotel in Snowdonia, north-west Wales. The A4086 runs along their northern banks. Strictly speaking this is one lake, orig ...

before joining the A5 near Capel Curig.

Towns and villages on the A4086

* Pont-Rug *

Llanrug Llanrug (or Llanfihangel-yn-y-grug) is a medium-sized village and community in Gwynedd, north-west Wales. It lies about to the east of Caernarfon, south of Bangor and northwest of Llanberis. It is the largest populated village in the Arfon ...

Cwm-y-glo Cwm-y-glo is a small village in Wales, east of Caernarfon, between Llanberis and Llanrug. It is in the Arfon Parliamentary constituency, the community of Llanrug, and the Gwynedd Council electoral ward. Cwm-y-glo ward includes Ceunant and ...

Llanberis (; ) is a village, community and electoral ward in Gwynedd, northwest Wales, on the southern bank of the lake and at the foot of Snowdon, the highest mountain in Wales. It is a centre for outdoor activities in Snowdonia, including walking ...

* Nant Peris *

References

Transport in Conwy County Borough Transport in Gwynedd Roads in Wales {{Wales-road-stub