Take your hiking Poles,
Tour boat or not, Western Brook Pond is one of the few boat tours I could recommend.
For this view of Western Brook, after you finish the boat tour take the loop trail that goes north and will then loop around to the trail back to the parking. All flat and easy.

For the Table lands you can do the self guided tour route or park in the lot and hike here, very steep some loose rocks but what a view.

And take in the Sunset at the Rocky Harbour light house. gorgeous! And if the tide is out there is some good hiking along the point.
and Keep your eyes open for Whales, most likely Minke's but we saw some close to shore.
Great (but long drive to St. Anthony's If you can and the seas are calm and you have the kayaks still you can paddle off the viking settlement!
There has been good iceberg viewing up there this year.
And take the road down to Goose cove, again some good easy hiking and some harder stuff too. (it was too foggy when we where there last year, so just the easy one.)
And Enjoy!
Oh yeah the best tasting fish we have had both times is in Cow Head, Just north of Gros Morne, A little converted house on the corner where the road loops back and one road goes to the Harbour. and they sell local made souvenirs there.
And Another place to stop either on the way up to St. Anthony'e or on the way back Is the Arches PP. no camping but right by the main road, good parking.

And enjoy!
Jeff