ちょう距離 きょり自然 しぜん歩道 ほどうだったら
chōkyorishizenhodo udattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 長距離自然歩道

1. If it were a long-distance nature trail; If it's a long-distance nature trail

Tara Conditional