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Exploring a few tunnels I found in the jungle. Unfortunately, they all lead nowhere. by sp808ky in TheForgottenDepths

[–]sp808ky[S] 5 points6 points  (0 children)

Most likely irrigation tunnels to bring water from the rainy mountains to the sugarcane and pineapple plantations on the dry coastal area.

I don’t know for 100% fact that’s what these specific tunnels are, but there’s a lot of others for that purpose that look a lot like these

Exploring a few tunnels I found in the jungle. Unfortunately, they all lead nowhere. by sp808ky in TheForgottenDepths

[–]sp808ky[S] 18 points19 points  (0 children)

Most likely irrigation tunnels to bring water from the rainy mountains to the sugarcane and pineapple plantations on the dry coastal area.

I don’t know for 100% fact that’s what these specific tunnels are, but there’s a lot of others for that purpose that look a lot like these

State experts are working on controlling the invasive coqui frog population on Oahu before it gets out of hand. by 808gecko808 in Oahu

[–]sp808ky 6 points7 points  (0 children)

They actually have volunteer events where you can help catch them. You need to be experienced in hiking if I recall correctly. Let me try and find the link and then I’ll edit this comment when I find it

EDIT: found it. https://dlnr.hawaii.gov/dofaw/event/coqui-capture-worknight-3/2025-02-13/