ડુંગરા દૂરથી રળીઆમણા, પાસે જઈએ તો બિહામણા.

ḍuṁgarā dūrathī raḷīāmaṇā, pāsē jaīē tō bihāmaṇā.

Literally: Mountains are beautiful from afar; if we go near, they are frightening.
What it means: Said of things that seem highly attractive or desirable from a distance but prove to be difficult or disappointing up close.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.