Know before you go
This nature reserve is on the Laurie Lee Wildlife Trail, a six-mile circular walk around Laurie Lee's beloved valley.
Swift's Hill is steep, with access on grassland or on rough tracks.
When to visit
Opening timesSeven days a week, all year
Best time to visitApril to August
About the reserve
Knapweed and wild thyme support species including marbled white butterflies and common blue butterflies –in all 29 species of butterfly have been noted here.
Also look and listen out for kestrels, skylarks, green woodpeckers, field voles, limestone snails, rugged oil beetles and rare rufous grasshoppers. Ancient woodland wildflowers such as violets, bluebells and sanicle line the shady track, while stunning viper’s bugloss is found near the quarry. There are great views from the top: on a clear day you can see as far as Wales.