1
hikers
01:26
5.48km
30m
Hiking
The Empire Mine Road Trail offers an easy hiking experience through the Black Diamond Mines Regional Preserve. You will traverse expansive meadows and pastoral valleys, enjoying gentle climbs and descents across rolling hills. This route covers 3.4 miles (5.5 km) with a modest 110 feet (34 metres) of elevation gain, making it a relaxed outdoor adventure that typically takes around 1 hour and 26 minutes to complete. As you hike, keep an eye out for views of Lone Tree and Horse Valleys, and even distant glimpses of Mt. Diablo to the east.
This trail is a paved road, closed to vehicle traffic, which makes it ideal for a smooth walk or bike ride. You can easily find parking at the trailhead to begin your journey. Its generally flat and paved surface means you can enjoy this route even after rain, as mud is minimized. Consider visiting during cooler parts of the day for the most comfortable experience, especially in warmer months.
Beyond the scenic vistas, the Empire Mine Road Trail holds a touch of local history and intrigue. The preserve itself is known for its mining past, and the trail features unique landmarks like an antiquated railroad track tunnel. This route provides a great opportunity to explore the natural environment and historical context of the Black Diamond Mines Regional Preserve, offering more than just a simple walk.
Last updated: April 23, 2026
Waypoints
Start point
Get Directions
5.48 km
End point
Way Types & Surfaces
Way Types
5.48 km
Surfaces
5.37 km
Sign up to see more specific route details
Sign up for free
Elevation
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Today
Monday 18 May
29°C
15°C
0 %
Additional weather tips
Max wind speed: 19.0 km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
The Empire Mine Road Trail is located in Contra Costa County, near Antioch, within the Black Diamond Mines Regional Preserve. While specific trailhead parking isn't detailed, access points are typically found along the preserve's boundaries. It's advisable to check the official East Bay Regional Park District website for the most current parking information and directions to trailheads within the preserve.
Yes, the trail is graded as 'Easy' and is suitable for all ages, including beginners and families. It features generally flat terrain with gentle climbs and descents, making it a comfortable walk.
The trail is an 11.0 km (6.8 miles) paved road that is closed to vehicle traffic. The terrain is generally flat, with gentle climbs and descents through rolling hills and valleys. It's an easy walk, even after rain, as the paved surface minimizes mud.
Hikers can expect expansive meadows, pastoral valleys, and views of the surrounding rolling hills, including Lone Tree and Horse Valleys. Some sections offer views towards the east side of Mt. Diablo. The trail is also known for its local folklore, with sites linked to urban legends such as the 'Gates of Hell', a dilapidated hospital structure, an antiquated railroad track tunnel, and a weathered slaughterhouse.
Yes, the route also passes through sections of the Star Mine Trail, Sand-creek-Road, Sand Creek Road Ext., and Sand Creek Roaad.
Dogs are generally permitted on trails within the Black Diamond Mines Regional Preserve, but they must be kept on a leash. Always check the latest regulations on the East Bay Regional Park District's website before your visit.
The trail is enjoyable year-round. Its paved surface makes it a good option even after rain, as it minimizes mud. Spring and fall offer pleasant temperatures and vibrant scenery, while winter can provide cooler, crisp air. Summer hikes are best done in the morning or late afternoon to avoid the midday heat.
The Empire Mine Road Trail is located within the Black Diamond Mines Regional Preserve. While there is no general entrance fee for the preserve itself, there may be parking fees at certain trailheads. For detailed information on fees and any specific permits required for activities, please consult the official East Bay Regional Park District website: ca.gov.
As part of the Black Diamond Mines Regional Preserve, hikers should adhere to park rules, which typically include staying on marked trails, packing out all trash, and respecting wildlife. Always check the East Bay Regional Park District's official website for the most current regulations and safety guidelines before your visit: ca.gov.
Given its 'Easy' difficulty and paved surface, essential items include comfortable walking shoes, water, sun protection (hat, sunscreen), and snacks. If you plan to explore the area's folklore, consider bringing a flashlight for any darker sections or structures, though always prioritize safety and respect private property.
Beyond the noted historical and folklore sites like the 'Gates of Hell' and the rumored insane asylum, the trail's unique characteristic as a paved road closed to vehicles makes it an excellent choice for an easy, mud-free walk even after rain. This allows for comfortable exploration of the expansive meadows and rolling hills without worrying about difficult terrain.