The fund, which is open to local authorities and national park authorities, also supports projects that improve accessibility and those that make their destinations more environmentally sustainable.
Bydd Y Pethau Pwysig hefyd yn cefnogi prosiectau sy'n gwella hygyrchedd mewn safleoedd a'r rhai sy'n gwneud eu cyrchfannau'n fwy amgylcheddol gynaliadwy.