HAL Keyholder members have the right to use Alpha Ridge Park after normal operating hours.  This is documented in our agreement with the county titled…

HOWARD COUNTY, MARYLAND LICENSE AGREEMENT FOR OPERATION AND MAINTENANCE”

The key relevant text from this document is shown below.  If a HAL member is questioned by park service or other county officials regarding use of the park, please refer to this text and/or the full .pdf document (particularly Section 4.) which is linked further below.
 
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