La Garganta Verde - a steep descent into a lush limestone gorge alive with griffon vultures

The line through Sierra de Grazalema NP (Cadiz), Spain - waypoints, elevation and the day-by-day shape of the walk.
Autumn-spring (closed part of the year for nesting)
Heat; the steep reascent is the effort
Open in a limited season (often closed for vulture nesting, roughly Jun-mid Oct); a reserve PERMIT is required. Confirm.
A steep descent into a limestone gorge with a griffon-vulture colony
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Suitable for reasonably fit hikers; not wheelchair accessible - confirm specifics
A large griffon-vulture colony on the gorge walls
A popular, well-known route - busier in peak season
Viewpoint only without descending; the full gorge floor
Zahara de la Sierra (Grazalema NP)
Out-and-back/loop - no shuttle needed
Day route - none needed
Day-hike kit, water, sun/rain protection, sturdy footwear; coverage varies
Services in Zahara de la Sierra; limited or none on the trail
Not required; self-guided
A free reserve PERMIT is required (limited daily numbers) and the gorge closes for the vulture nesting season. Confirm.
Permits and operators change - confirm before booking.
The steep, loose descent/reascent, heat
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.