There are several different spots to enter the Ralston Creek Trail. This trail connects up to the Clear Creek Trail around the 62nd and Sheridan area and you enter it by going up the Gold Strike Bridge, named so because this was the first place gold was discovered in Colorado, but the only way to enter at this point is to have come from the Clear Creek Trail. another place to enter is from the downtown area of the city of Arvada, but this section goes through many different parks, open spaces, playgrounds, neighborhoods and golf courses. it can be very difficult to follow the trail here since many parts are not marked and you have to either guess or play trail detective to find your way through. The main spot where a lot of people enter is at Blunn Reservoir. Take hwy 93 to the 64th street exit and there is a little parking spot past the water treatment plant next to long lakes ranch park. If you are going to enter at this point be prepared for a long and very steep climb on a trail that switchbacks up the side of a mountain and then switchbacks on the way back down, There is very little shade at this location so bring lots of water and wear sun screen. Although paved and smooth, The mountain side of this trail is not recommended for casual, beginner or commuter cyclist. read more