When: Monday through Friday, between 10:00am and 2:00pm except on the following County holidays:
- New Year's Day
- Dr. Martin Luther King Jr. Day
- President's Day
- Good Friday
- Memorial Day
- Juneteenth Day
- Independence Day
- Labor Day
- Indigenous Peoples' Day
- Veterans Day
- Thanksgiving Holiday (Thursday & Friday)
- Christmas Day
Where: Alpha Ridge Landfill, 2350 Marriottsville Rd, Marriottsville, MD 21104
All tours are outdoor walking tours and are weather-dependent. Groups are limited to 25 participants. We ask for a minimum of 5 participants per tour. Smaller parties may be combined with another tour group.
Please wear appropriate shoes and clothing. Chaperones are required for tour groups with participants under 18.