Broxbourne Woods National Nature Reserve

Broxbourne Woods is Hertfordshire's only National Nature Reserve, covering 237 hectares of ancient oak and hornbeam woodland along the Lea Valley east of Hoddesdon. The reserve combines four separate woods with trails threading between them through layered canopy, dense understorey of hazel, holly and bramble, and a rich woodland floor that changes with the seasons: bluebells and wood anemones in spring, wild garlic in early summer, fungi in autumn. Routes of 4.8 km to 8 km are possible depending on which woods you link together, with 68 m of gentle climbing spread across the full extent. The atmosphere is genuinely wild despite proximity to the M25, and the ancient pollards and veteran trees give the woodland real character.

Dogs find this one of the most engaging dog friendly walks in the county. The oak and hornbeam create a distinctive scent profile quite different from beech or pine woodland, and the dense undergrowth keeps noses working constantly. Deer activity is strong through the woods, with scent lines running through the rides that dogs detect immediately. Off-lead potential is moderate, with good stretches through the quieter sections where livestock are absent. The trails are well marked but unsurfaced, meaning mud is guaranteed after rain and boots are essential through the wetter months. Bird activity is constant year-round. A proper ancient woodland walk with depth and character, close to London but feeling a world away.