Here's a current list of the Snowdonia National Park Authority's tendering opportunities:
SMS Afon Eden Catchment River Restoration
The Snowdonia National Park Authority is looking to appoint a contractor to undertake the work of reintroducing removed boulders into the Afon Eden river following dredging work carried out in the 1960's.
Closing date: Midday, Friday the 12th of July, 2019
For tender details visit the Sell2Wales website https://www.sell2wales.gov.wales/search/show/search_view.aspx?ID=MAY296313 or contact Sam Price on 01766 770 274 or email firstname.lastname@example.org