The Mullet Creek Tunnel (or more accurately, culvert) was built in 1889 as part of the Sydney to Newcastle railway line construction. The historic tunnel is reached via firetrails and a bushwalking track from the Mullet Creek Trail down to the creek.
One of the best day walks in Brisbane Water National Park, the Tunnel Trail and Rocky Ponds Trail passes waterfalls, cascades and swimming holes. The Icicles at the end of the bushwalk offers great views over Brisbane Water,
An interesting and scenic loop bushwalk in the Brisbane Water National Park, which visits the Woy Woy Waterfall (or Trough Waterfall) and the Mount Wondabyne summit.
A pleasant half-day walk from Woy Woy Road, this bushwalk takes you past some nice views before visiting the intriguing Woy Woy Snake, a 50m-long stone arrangement.
A partly off-track loop in Brisbane Water Natonal Park, exploring Aboriginal engraving sites around the Corrumbine Creek Fire Trail.
A short and partly off-track loop that explores the intrigung Gosford Glyphs (Kariong Hieroglyphs) and passes some Aboriginal engraving sites, before returning via the Lyre Trig Firetrail.
The bushwalk from Woy Woy to Point Clare in Brisbane Water National Park has some great views from the Koolewong Ridge. A side-trip to Spion Kop offers an even more spectacular lookout.