Glendalough, located near Brockagh, County Wicklow, is a glacial valley renowned for its Early Medieval monastic settlement founded by St. Kevin in the 6th century. The site features well-preserved ruins including a round tower, churches, and a cathedral. Accessibility can be challenging in certain areas due to uneven terrain; however, accessible trails are available. Visiting solo is feasible and rewarding, allowing for independent exploration, though guided tours offer deeper historical context. The area is open year-round, but weather conditions can impact the experience, with the best times to visit being spring and summer. Entry to Glendalough is generally free, but some attractions may have small fees or donation requests. A typical visit lasts 2-4 hours, but longer hikes in the surrounding Wicklow Mountains National Park can extend the duration significantly.