Section 3. Boundaries. —

The boundaries and limits of the territory of said city, containing the total area of fifteen thousand one hundred six hectares, more or less, are established and prescribed as follows: Beginning at a point marked "1", which is the northwestern corner of the boundary of Quezon City, thence due north 660.00 m. to point "2"; thence N. 43º 30' E., 3,680.00 m. to point "3"; thence N. 18º 00' W., 3,200.00 m. to point "4"; thence N. 45º 00' E., 4,100.00 m. to point "5"; thence due east 4,200.00 m. to point "6"; thence following the N. boundary line of the Novaliches watershed reservation to point "7", which is identical to Capital City boundary monument No. 19; thence S. 9º 36' W., 4,401.60 meters to point "8", which is at the center of the Marikina River and which is N. 10º 30' E., 149.72 from C.B.M. No. 29; thence following the center of downstream course of Marikina River to point "9", which is the intersection of the Arroyo and Marikina River; thence upstream following the Arroyo to point "10", which is 100.00 meters north of the pipe line and which is a corner of Quezon City; thence following the northern boundary of Quezon City to point of beginning; and the territory described as follows: Beginning at a point marked "1" which is identical to boundary monument No. 1, Piedad Estate; thence to point "2", which is boundary monument No. 2 of Piedad Estate; thence downstream following the Arroyo between Payatas Estate and Marikina Estate to point "3", which is 100 meters North of the water pipe line of the Metropolitan Water District; thence following the ridge southeastward to point "4", where the pipe line crosses the ravine; thence following the ridge southwestward to point "5", which is boundary monument No. 25 of Marikina Estate southward to point "6", which is the junction of the Marikina River and Marikina Estate; thence downstream following the Marikina River to point "7", which is the crossing of Marikina River by the old Rosario Road; thence westward following the old Rosario Road to point "8", which is the intersection of the old Rosario Road with the eastern right-of-way of the circumferential road (Highway 54); thence northeastward following the eastern right-of-way of circumferential road to point "9", which is the intersection of the eastern right-of-way of Highway 54 and the prolongation of the southeastern boundary line of Camp Crame; thence southwestward following the southeastern boundary line of Camp Crame to point "10", which is the southwestern corner of said Camp; thence northwestward following the western boundary line of Camp Crame to point "11", which is at the northern right-of-way of Santolan Road; thence southwestward following the northern right-of-way of Santolan Road to point "12", which is the intersection of Santolan Road and Salapan Creek; thence downstream following the Salapan Creek to point "13", which is the junction of Salapan Creek and Dario River; thence southward following the Dario River to its intersection with the east boundary of the City of Manila to point "14"; thence northwestward following the east boundary of the City of Manila to point "15", near La Loma Cabaret, which is a corner of the boundary of the City of Manila near the entrance of the North Cemetery; thence northward following the boundary of the City of Manila to point "16", which is the Northeast corner of said city; thence westward along said city boundary at a distance of 100 meters to point "17"; thence northward paralleling the Novaliches Road to a distance of 100 meters from property line on the side of the said road to point "18", which is at a distance of 100 meters North of the crossing of Samson Street (road connecting Balintawak Monument with Bonifacio Monument); thence eastward paralleling Samson Street and the circumferential road at a distance of 100 meters on the North side of said street and road to point "19", which is the center of the Culiat Creek; thence upstream following the Culiat Creek to point "20", which is the junction of Pasong Tamo River to point "21", which is the junction of Pasong Tamo River and Pinagpatayan Buaya Creek; thence to point of beginning.