Located in the Blenio valley, yiu can get to Leontica by bus from Biasca to Aquarosso, there yiu change for the small bus bringing you up to Leontica. Just at the last stop is the Bar Centrale, where yiu can get the key for the church. Some easy going 15min. walk gets you to the church. The last bit might be the most difficult. 2007 the built a bridge over the creek, and this is quite demanding - up to impossible, if you are afraid of heigth. If you manage, you will be rewarded with magnific fresco.