OS Explorer Map 152 shows Pontypool (Pont-y-pŵl) to Newport & the Mouth of the Severn. This area is very important for wildlife, with much of the estuary designated a site of special scientific interest. With this map you will receive a code for use on your i OS or Android smartphone or tablet. Find our more at Mobile Download FAQ. The OS Explorer map for Newport & Pontypool is available in both the standard paper version & weatherproof ' Active' version.