A great way to spend an afternoon is heading to the lake and catacumba park (about a 15 minute walk from the middle of copacabana) - you can walk or cycle around the lake or hire peddle boats, and there is also a park for the kids. Then catacomba park is good for all ages, whether you want adventure or just a nice walk.
Entrance is free but the activities aren't - we have them a miss but I think it was 30RL for the canopy adventure (which did look really cool) 20 for the climbing wall and 20 for the zip wires, or 50 all in. But it was worth going just for the walk, which took you on an uphill forest trail with lots of information boards (in English and Portuguese), with stops along the way to rest and eye the views. Thend the views from the top were wonderful,! Overlooked the beach, city, Lake and ocean, it was beautiful. Plus what I would say sells it most was that it was so quiet up there unlike the tourist hotshots. We ended up doing this instead of sugar loaf as it was free and we had the view to ourselves! Good place for a picnic or Sunset
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