Is Metal Detecting allowed in WY stete parks? YES, with permission of park superintendant.
You can find the state park regulations HERE:
(c) The use of any mineral or metal detecting device at a state historic or archeological site is prohibited, except for official use. The use of any mineral or metal detecting device at a state park or recreation area is prohibited without written permission of the superintendent.
FMDAC Disclaimer: FMDAC assumes no responsibility for any person who knowingly or accidentally violates any state park regulation. Although FMDAC will try to keep this information current we cannot anticipate how each regulation will be interpreted by a specific park department, park employee or other government employee. It is the sole responsibility of each individual to know and obey the regulations of the park or area they are visiting and or metal detecting.