Information for Entrance - Up at the O2 at The O2 Arena, Outer London (Entrance). Click here to request group booking (more than 8 people) . Up at The O2 will combine an exhilarating outdoor challenge with a completely unique perspective on the Capital. Designed by the original architects of the iconic venue, Rogers Stirk Harbour + Partners, the unforgettable 90 minute experience will take visitors on an uplifting guided expedition across the roof of The O2 via a tensile fabric walkway suspended 53m above ground level. An observation platform at the summit will enable climbers to take in spectacular 360 degree views of the Capital and its many landmarks, including the Olympic Park, Thames Barrier, The Shard, Historic Royal Greenwich and Canary Wharf, before descending back to base. Up at The O2 is a suitable challenge for anyone at least ten years old (and at least 1.2m high) who is medically and physically fit with a sense of personal adventure.