Best mountain passes in Leinster are predominantly located within the Wicklow Mountains, offering diverse landscapes and historical routes. This region features remote drives, high asphalted passes, and trails through expansive blanket bogs and rugged peaks. The area is characterized by its natural beauty, including deep glens, panoramic vistas, and historical significance tied to routes like the Military Road.
Last updated: May 9, 2026
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Here the Wicklow Way long-distance trail skirts the mountain of Stookeen. Standing 420 metres (1,378 feet) high, the summit affords great views of the surrounding area. The official route runs around the southern edge, but it's a rewarding excursion to the top and back.
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At 509 metres (1,670 feet) Robber's Pass Hill is the summit of this lovely area of heathery moorland. The actual summit is slightly off the Wicklow Way, but it's close by and worth the detour.
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The Long Woman's Grave car park is right at the top of a gentle climb, giving you the perfect opportunity to take in the rolling landscape. Whether you're coming from the north or the south, the roads take you through varied terrain that reveals new panoramas with every bend. It's worth taking a moment to read the story of the "Long Woman" at the memorial - somehow this mystical atmosphere fits perfectly into the surroundings. On the way up, you hardly encounter any traffic, which allows you to fully concentrate on nature and your own line in the bends. The fresh breeze and the smell of damp grass add a little extra to the climb. But the roads are not always in the best condition - some sections do require attention, especially after a rain shower. Once you reach the summit, there is a small rest area, ideal for taking a quick breather and regaining strength for the next stage. A perfect spot to take a short break before continuing with renewed vigor.
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The route arrives to this historical grave, before heading back up Windy Gap.
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Glendine Gap is the county border between Laois and Offaly counties. It is at an elevation of 481 metres so it's a good old bike grind to get here but not to bad. Nice border marking stones here and some nice views. Good place to get your breath back too!
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Lovely heath landscapes and small lakes.
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It's said that the views from the Cooley Mountains are some of the most beautiful in all the country. To the west of the Clermont Pass you can see across to Slieve Gullion.
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Leinster's mountain passes, primarily located in the Wicklow Mountains, offer diverse landscapes and historical routes. Among the most popular are Robber's Pass Hill, known for its lovely heath landscapes and small lakes, and the historic Military Road: Killakee to Glencree, which provides stunning views through blanket bogs and ancient woodlands. The Sally Gap and Wicklow Gap are also highly regarded for their breathtaking scenery and outdoor opportunities.
You'll encounter a rich variety of natural features, especially within the Wicklow Mountains. Expect expansive blanket bogs, rugged peaks, deep glens, and panoramic vistas of mountains and lakes. Notable sights include Lough Tay (Guinness Lake), the Glenmacnass Waterfall, and carpets of purple heather, bog cotton, and ancient woodlands. Passes like Robber's Pass Hill specifically feature beautiful heath landscapes and small lakes.
Yes, the mountain passes in Leinster are rich in history. The Sally Gap, for instance, is part of the historic "Military Road" constructed in the early 19th century. You can also visit Military Road: Killakee to Glencree, which offers a journey through this significant route. Another notable landmark is the Long Woman's Grave Memorial, a man-made monument at the top of a climb offering fantastic views and a small rest area. The Glencree Valley, traversed by the Military Road, also holds historical significance with the Glencree Centre for Peace and Reconciliation and the German War Cemetery.
Leinster's mountain passes offer numerous stunning viewpoints. From the Sally Gap, you can enjoy sweeping views of Lough Tay (Guinness Lake) and vast peat bogs. The Wicklow Gap, being one of Ireland's highest asphalted road passes, provides expansive views, and on clear days, you might even glimpse the mountains of Snowdonia in Wales. Highlights like View of Slieve Gullion from Clermont Pass and View of the Sugarloaf are specifically noted for their scenic outlooks.
The mountain passes in Leinster are excellent starting points for various outdoor activities. For cycling, you can explore routes like the Dublin Bay loop or the Killiney Beach loop, detailed in the Cycling in Leinster guide. Mountain biking enthusiasts can find trails such as the Ticknock trails loop or the Three Rock Mountain loop, available in the MTB Trails in Leinster guide. Hiking is also very popular, with trails like the Spinc and the White Route from Glendalough, which you can find in the Waterfall hikes in Leinster guide. The Wicklow Gap is also part of Saint Kevin's Way, a long-distance walking trail.
While many mountain passes involve more challenging terrain, the general area around the Wicklow Mountains offers family-friendly options. Scenic drives through passes like the Sally Gap provide an hour-long journey through stunning landscapes with ample opportunities to stop and explore. For walks, consider easier sections of trails or areas with picnic spots. Always check the specific trail difficulty before embarking with children.
The best time to visit the mountain passes in Leinster is generally during the spring, summer, and early autumn months (April to October). During these periods, the weather is milder, and the landscapes are vibrant with purple heather and bog cotton. This allows for better visibility for scenic drives and more comfortable conditions for hiking and cycling. Winter can be challenging due to colder temperatures, potential ice, and shorter daylight hours.
Public transport options directly to the more remote mountain passes like Sally Gap and Wicklow Gap are limited. These areas are best accessed by car, allowing you the flexibility to stop at various viewpoints and trailheads. However, some bus services may reach towns on the periphery of the Wicklow Mountains, from where you might need to arrange further transport or embark on longer hikes.
The mountain passes themselves, including the Wicklow Gap, are generally remote and do not have direct amenities like cafes. However, nearby towns and popular spots like Glendalough, which is connected to the Wicklow Gap, offer cafes, restaurants, and visitor facilities. It's advisable to bring your own refreshments and snacks when exploring the passes and plan stops in surrounding villages for meals.
The difficulty level varies across Leinster's mountain passes. For cyclists, the Wicklow Gap is considered a Category 3 climb by the Tour de France, indicating a challenging and rewarding route. Many trails, such as those around Robber's Pass Hill, are rated as intermediate. Some routes, like the Maulin Loop mentioned near View of the Sugarloaf, can be cycleable on a gravel bike but require caution on descents. Hikers can find a range from moderate to difficult, with options to access summits like Tonelagee and Turlough Hill from the Wicklow Gap.
Yes, there are opportunities for circular walks around the mountain passes. While specific circular routes directly on every pass might vary, many trails in the surrounding Wicklow Mountains National Park offer loop options. For example, the Maulin Loop is a known route that can be cycled or hiked. When planning, look for trails that return to your starting point, often accessible from parking areas near the passes.
When hiking in the Leinster mountains, it's essential to be prepared. Bring appropriate layers of clothing, as weather conditions can change rapidly, especially at higher elevations. Waterproof outer layers are recommended. Sturdy hiking boots, sufficient water, snacks, and a map or GPS device are crucial. A first-aid kit, sun protection, and a fully charged phone are also advisable. Always check the weather forecast before you set out.


See even more epic mountain passes by checking out these guides in Leinster: