I will be about an hour North of Richmond but happy to drive down there to explore these trails. Are the trails around the river MTB trails or rail trail/paved path?What KenS said.
If you're in Richmond proper, do the full loop through the city. It's pretty neat how it goes through the city on both sides of the river. Very easy to navigate.
Pocahontas has some awesome trails and is ~20 minutes south of the city.
Outpost Richmond is probably the best bike shop (south of James River) to ask anyone anything.
Get breakfast at Millie's. That alone would be worth the drive down.
I may do both. It’d be nice to see the city while on the urban trails too. Thanks!The James River trails are mostly singletrack, but it varies widely. If you do the full loop you'll hit little patches of gravel road, street crossings and on the north side you go through a neighborhood (I think north of Texas Beach) to connect the trails.
It's really neat but if you're time limited I'd do Pocohontas. I haven't ridden the new trails there but Jeff Lenosky said they're good. I saw them while on a gravel race through the park and was pretty sad looking at them while on a cross bike.