| Sumatra Jungle Trekking and Rafting | Rainforest trekking, expeditions, rafting and lodge in the Leuser National park. |
| Expedition Jungle | Orangutan jungle treks and expeditions in North Sumatra. |
| Sumatra Ecotourism | Great information on travelling in Aceh. |
| Atjeh Bicycle Community | The coolest Cycle club of Aceh. |
| Aceh Trek and Mountain bike page | Lots of hikes and bike trails on this useful site. |
| Aceh Explorer | Guided jungle trekking and more... |
| Sitigun pit-stop cafe Penang | On the other side of the strait, but this unique cyclist pit-stop cafe is a must-visit!. |