With 3 UNESCO sites Tasmania sure has it's fare share of walks and lookouts.
Tasmania Parks & Wildlife Service
http://www.parks.tas.gov.au/
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A walk along the seaside edge of Table Cape. Leading out from the lighthouse the trail traces the edge of the tulip farm passing over a small creek where a waterfall leaps over the cliff in wet weather before continuing to the lookout & trig point.
This is a part 'man made' structure that takes you to the tree tops and back, plus a walk among the river to see some of the most ancient trees on the planet, the Huon Pine.
A short & easy self-guided walk on boardwalk through the Tamar Wetlands
Short walk to an interesting geological feature.
The Nut is a 143 metre high massif, rising from Bass Strait, that towers above the picturesque town of Stanley. You can reach the top by either walking track or chairlift.
10-20 minute walk to plateau, or you can take the chairlift. 1 hour circuit track around the Nut plateau. (2.3 km one way)
A short walk to an arch & sinkhole in lush green rainforest.
A short walk to a lookout in Hartz Mountains National Park.
A walk in the middle of the town of Waratah making a loop around the 'lake' in the middle of town as well as visiting the base of Waratah Falls as well as a view point to view the falls.
A short walk around this park in South Hobart. Wellesley Park plays host to some South Hobart FC trainings and games and offers views of Mount Wellington.