Llanberis Path
Climbs gradually to Snowdon's summit via the longest but easiest route, following the historic mountain railway track most of the way. Mostly well-maintained path with steady, gentle-to-moderate incline—doable for fit families with older children (10+), but too long and exposed for littles or buggies. Dogs welcome on leads. The payoff: Wales' highest peak at 1,085m with spectacular views across Snowdonia, plus the satisfaction of conquering an iconic mountain via the most accessible path.