Will the eSIM work over the Sally Gap and Wicklow Mountains?

Not reliably. The Military Road across the Sally Gap and Wicklow Gap has long dead stretches through open moorland. Save your route offline before you leave the towns, and don't count on data at the high viewpoints.

Can I use it on the DART to Bray and Greystones?

Yes. The coastal DART line and both towns have strong coverage, including most of the scenic Bray-to-Greystones cliff walk, so you can navigate, share photos and check train times throughout.

Wicklow eSIM.

Wicklow: Glendalough's lakes, the Sally Gap and Powerscourt's gardens.

from £1.32/day · unlimited dataAll of Ireland →

Unlimited data5G where availableInstant QR by emailKeep your number

1 · How many days?

10 daysOther:days

2 · How much data?

3GBBest pricevalid 15 days£8.12£0.81/day

Cheapest plan covering your trip: 3GB, valid 15 days.

Travellers (one eSIM each)

1 × 3GB (valid 15 days) · 10-day trip£8.12

Every plan: QR by email in minutes · data-only, keep your number · days start on first connection · top up anytime · the total shown is the whole bill. What's included →

Good to know in Wicklow

The Sally Gap and Wicklow Gap military roads across the mountains have long stretches with no coverage at all, so download your Glendalough and Wicklow Way maps in Dublin or Bray before you head into the hills.

Best time to visit Wicklow

Spring and summer, April to September, show off Powerscourt's gardens and Glendalough's greenery at their best, with autumn adding golden colour to the Wicklow Mountains.

Does an eSIM work in Wicklow?

Yes — the Ireland eSIM works across Wicklow wherever its partner networks have signal. The coastal DART towns of Bray and Greystones have strong signal, but Glendalough's valley, Powerscourt's higher grounds and especially the Sally Gap and Wicklow Mountains see coverage thin or vanish.

Your guide to Wicklow

Wicklow eSIM: your local data guide.

Known as the Garden of Ireland, Wicklow lies just south of Dublin, drawing walkers to Glendalough's monastic lakes, drivers over the moody Sally Gap and film fans to Powerscourt's waterfall and gardens. A Wicklow eSIM keeps Wicklow Way trail maps, Glendalough car-park info and Dublin train times live as the mountains swallow the signal.

One eSIM for Wicklow and all of Ireland. It's the national Ireland eSIM — from £1.32/day with unlimited data, working the same in Wicklow as it does the moment you leave it.

Landing at Dublin - Dublin Airport (DUB)?

Install the QR at home, then switch the eSIM on as you taxi in — you're online before you reach the arrivals hall.

Wicklow eSIM pricingbest-value plan · per day

Days

Per day

Total

Saving

3 days1GB

£1.01

£3.04

—

5 days1GB

£0.60

£3.04

−40%

7 days1GB

£0.43

£3.04

−57%

10 days3GBPopular

£0.81

£8.12

−20%

15 days3GB

£0.54

£8.12

−46%

30 days3GB

£0.27

£8.12

−73%

Unlimited plans7 days £22.34·15 days £30.47·30 days £39.62

Each trip length shows the best-value plan that covers it. Total always shown before you pay.

Across the region

Where you'll lean on data in Wicklow.

Glendalough

The monastic valley draws crowds but coverage dips deep between its two lakes and along the wooded trails.

Powerscourt

Good signal around the estate, house and waterfall, thinning on the higher woodland paths above the gardens.

Sally Gap

This bleak mountain crossing on the Military Road has long stretches with no coverage at all.

Bray & Greystones

The coastal DART towns enjoy strong, reliable data all along the cliff walk that links them.

The practical bit

Getting around Wicklow on your eSIM.

Apps you'll want online in Wicklow

TFI Live— Real-time Wicklow bus and DART times for the whole county.
Irish Rail— DART to Bray and Greystones plus mainline trains from Dublin.
St Kevin's Bus— The long-running coach service linking Dublin to Glendalough.
FREENOW— Taxi-hailing in Bray, Greystones and Wicklow town.

How long to stay in Wicklow

One to three days suits Wicklow, often as day trips from Dublin - Glendalough and Powerscourt, a mountain drive, and the coastal Bray-to-Greystones cliff walk.

How much data for Wicklow

A light 1-2 GB is plenty for day-trippers from Dublin; a balanced 3-5 GB covers a longer stay, with offline maps saved for the mountain roads where the signal drops.

Coverage in Wicklow

The coastal DART towns of Bray and Greystones have strong signal, but Glendalough's valley, Powerscourt's higher grounds and especially the Sally Gap and Wicklow Mountains see coverage thin or vanish.

Where you're headed

Discover Wicklow.

Scenic view of a lush valley and river in Wicklow, Ireland, under cloudy skies.

A breathtaking aerial view of a tranquil valley with lush greenery, a river, and mountains in County Wicklow, Ireland.

A serene view of the ancient St. Kevin's Church against an overcast sky in Glendalough, Ireland.

A breathtaking aerial view of the lush landscapes and tranquil lakes of Wicklow Mountains, Ireland.

The short version.

A travel eSIM is data only. It sits next to your home SIM, so your number, texts and WhatsApp carry on as normal. Pick unlimited, priced per day, or a fixed bundle of GB if it's mostly maps and messages. Install it on Wi-Fi before you fly — the days only start once it first connects in Wicklow, and it finds a partner network on its own.

Coverage in Ireland.

5G in supported areas on compatible devices; 4G more widely available

Connected · 5G

Three Ireland
Vodafone Ireland
Eir

Before you fly

Wicklow eSIM questions, answered.

There's usually data around the visitor centre and car parks, but it dips in the wooded valley between the Upper and Lower Lakes. Download the trail map beforehand so you can navigate the walks without relying on live coverage.