From Estes Park, enter Rocky Mountain National Park through the south entrance. Take the first left and follow the signs to the Bear Lake parking lot where the road ends. There are several trailheads here but just follow the signs and take a leisurely five-minute stroll to Bear Lake.
Patience is a photography virtue. Just when it seemed all the light had gone and it was time to go home, the sun illuminated the clouds behind Hallet Peak (12,783 ft.), and gave me about one minute to get this late spring shot of Bear Lake.