Where have you looked so far?
This turned up from a two second Google of: Serra da Estrela campsite
The cheapest beds in Manteigas are at Pensão Serradalto ➌ , R. 1 de Maio, upstairs from the restaurant ➋ , about 50m from the gas station, with bright rooms overlooking the valley and impeccable baths. (☎ 275 98 11 51. Breakfast included. Singles €30, doubles €35, triples €50. €5 discount two or more days. Restaurant open daily noon-3pm and 7-11pm. Entrees €7-13. Cash only.) Camping in the park is prohibited, except at designated sites. Consult the information offices in Guarda or Manteigas about campsites or cabins in the park. You can also camp at SkiParque ➊ , located off the main road 6km from Manteigas. (Taxis from Manteigas €5-6. €4.25 per person, €2-2.50 per tent, €2 per car.) The best restaurant in Manteigas is A Cascata ➋ , R. 1 de Maio, behind the gas station and down a staircase; enjoy their regional specialties. (☎ 275 98 21 39. Entrees €7-12. Open M-Sa noon-3pm and 7-9:30pm. Cash only.)
Buses from platform 1 of the Guarda bus station to the gas station in Manteigas run infrequently and only on weekdays (1hr.; M-F 11:30am, 5pm, return to Guarda M-F 7am, 12:50pm; €3.40). The Parque Natural da Serra da Estrela information office in Guarda, R. D. Sancho, 1, has books and detailed topographic maps of the park, with clearly illustrated trails and points of interest (☎ 271 22 54 54). Alternatively, the first place to get information in Manteigas is the information center across the street from the gas station where the bus arrives and departs. Both offices sell the invaluable Discovering the Region of the Serra da Estrela (€4.20), which includes maps and detailed descriptions of all trails, including altitude changes, walking times, and landmarks along the way. (☎ 275 98 00 60. Both offices open M-F 9am-12:30pm and 2-5:30pm.)
Then, two seconds later, this:
http://www.summitpost.org/area/range/480921/Serra-da-Estrela.html
Scroll thro' for a load of information on who to contact, maps, access, tourist offices, two campsites etc. etc.
Oh, stuff it. Fill yer boots with information:
http://www.google.co.uk/search?q=Se...s=org.mozilla:en-GB:official&client=firefox-a Results 1 - 10 of about 35,500 for Serra da Estrela campsite. (0.16 seconds)