Day trips within an hour of the capital, plus the mountain on its doorstep.
Choose a picnic area around Sofia and Vitosha by transport, shade, water and facilities, with a leave-clean checklist for busy urban-edge nature.
Research archive photographs of Sofia, identify a lawful repeat viewpoint, record uncertainty and create a then-and-now route without blocking streets or invading privacy.
Plan a Vitosha day hike from Sofia while reducing parking pressure, avoiding fragile ground and leaving useful condition reports for other walkers.
Organise a cleanup in a Sofia park with the correct district contact, a safe volunteer boundary, short shifts, working collection points and a documented closeout.
How to sort common household waste in Sofia, when not to use packaging bins, and how to check the official route for hazardous or bulky items.
Plan viewpoint visits around Sofia and Vitosha by light direction, public access, night safety and transport, then document the place responsibly.
Links to reference material and organisations we don't control.