The park protects a steep, forested river valley carved by the Mad River, featuring rugged cliffs, dolomite rock formations, wetlands, and dense woodland. It is part of a highly scenic ecological corridor connected to the Bruce Trail, making it a favourite spot for experienced hikers and nature enthusiasts.

Best Features
- Dramatic Mad River valley carved through the Niagara Escarpment
- Rugged cliffs, rock outcrops, and forested slopes
- Part of the Bruce Trail hiking system
- Scenic lookout points along the escarpment rim
- Rich biodiversity and natural wilderness feel

Why it’s popular
Devil’s Glen is popular because it offers one of the most rugged and scenic hiking environments in Southern Ontario, combining steep terrain, forest trails, and dramatic valley views. It is especially valued by hikers looking for a more challenging and less commercial outdoor experience compared to typical provincial parks.