The choice. Teide National Park occupies Tenerife's high volcanic interior. Visiting a viewpoint in the park, taking a cable car and walking the final path to the summit are different plans with different conditions. A park entry does not grant a summit permit or guarantee cable-car service. Decide what you want to see first, then check the named route and its current rules.
Viewpoints, cable car and final ascent
The volcanic landscape includes lava fields, Las Cañadas and rock formations that can be appreciated without an ascent to the top. This can be a stronger first visit than organising the whole day around a summit slot. If the higher route is your goal, verify the cable car's own operating status and the permit rules for the final Telesforo Bravo path. Tenerife ON's official guidance explains access requirements; do not rely on an old social-media description or assume a cable-car ticket is the same as a permit.
The park authority's national-park overview describes a protected high-altitude volcanic environment. Rules may apply even where a trail seems obvious from the road. Stay on permitted routes and check alerts before setting off. This guide intentionally avoids a single height figure because published references differ; the planning issue is altitude exposure rather than the last metres of a statistic.
Tenerife coast weather is not summit weather
Wind, cold and even snow can affect the high park while a coastal hotel is warm. Carry layers and enough water for the actual activity, and be ready to change plan if conditions close the cable car or route. A photograph of Roques de García from 2012 illustrates the landscape, not current weather, parking or trail access.
Use an actual viewpoint, trailhead or cable-car station as a navigation destination. A centre-of-volcano map marker is not a safe arrival point. Check transport, parking, permits and the return plan for the date of travel.