A ride to the summit on the Snowdon Mountain Railway tops off the show.
BBC One's Countryfile struck lucky with the weather when they filmed in Snowdonia recently, so expect some stunning views and interesting insights in the programme on Sunday, 16 May.
You'll see presenter Matt Baker lending a hand at Hafod-y-Llan, a farm on the slopes of Snowdon itself.
He helps catch Welsh mountain lambs that have got lost and he rounds up Welsh black cattle to weigh them before turning them back out onto the hill.
Ellie Harrison, in her first report for
after making her name on the One Show and Country Tracks, takes on the invasive rhododendron.
The Snowdonia National Park Authority are undertaking a massive stem injection plan to try and wipe out the non-native plant spreading across the area.
It is taking over farm land and valuable wildlife habitat and risks changing the traditional landscape of Snowdonia forever.
Then Matt's off to learn about making roofing slates at Llechwedd Slate Mines, Blaenau Ffestiniog, before boarding the
from Tan y Bwlch to Porthmadog with Paul Lewin, general manager of the Ffestiniog & Welsh Highland Railway.
Next stop is a visit to Cynan Jones who grows far eastern Shitake mushrooms in two shipping containers, recreating summer and autumn conditions.
Ellie then cooks Matt a mushroom sandwich - eaten on the train to the top of Snowdon - where they are lucky to take in breathtaking views for the end of the show.
Countryfile, Sunday, 16 May, 7.10pm, BBC One